- Abingdon
- Abington
- Adair
- Adams
- Addieville
- Addison
- Addison (Township)
- Adeline
- Aetna
- Afton
- Akron
- Alba
- Albany
- Albany (Township)
- Albers
- Albion
- Alden
- Aledo
- Alexis
- Algonquin
- Algonquin (Township)
- Alhambra
- Alhambra (Township)
- Allen
- Allendale
- Allens Grove
- Allenville
- Allerton
- Allin
- Allison
- Alma
- Alma (Township)
- Alorton
- Alpha
- Alsey
- Alsip
- Altamont
- Alto
- Alton
- Altona
- Alton (Township)
- Alto Pass
- Alvan
- Amboy
- Amboy (Township)
- Amity
- Anchor
- Anchor (Township)
- Andalusia
- Andalusia (Township)
- Anderson
- Andover
- Andover (Township)
- Anna
- Annapolis
- Annawan
- Annawan (Township)
- Antioch
- Antioch (Township)
- Appanoose
- Apple Canyon Lake
- Apple River
- Apple River (Township)
- Arcola
- Arcola (Township)
- Arenzville
- Arenzville (Township)
- Argenta
- Arispie
- Arlington
- Arlington Heights
- Armington
- Aroma
- Aroma Park
- Arrington
- Arrowsmith
- Arrowsmith (Township)
- Artesia
- Arthur
- Asbury
- Ash Grove
- Ashkum
- Ashkum (Township)
- Ashland
- Ashland (Township)
- Ashley
- Ashley (Township)
- Ashmore
- Ashmore (Township)
- Ashton
- Ashton (Township)
- Assumption
- Assumption (Township)
- Astoria
- Astoria (Township)
- Athens
- Athensville
- Atkinson
- Atkinson (Township)
- Atlanta
- Atlanta (Township)
- Atlas
- Atwood
- Auburn
- Auburn (Township)
- Audubon
- Augusta
- Augusta (Township)
- Aurora
- Aurora (Township)
- Austin
- Aux Sable
- Ava
- Avena
- Aviston
- Avoca
- Avon
- Ayers
- Bainbridge
- Bald Bluff
- Bald Hill
- Baldwin
- Ball
- Banner
- Banner (Township)
- Bannockburn
- Bardolph
- Barnett
- Barnhill
- Barr
- Barren
- Barrington
- Barrington Hills
- Barrington (Township)
- Barry
- Barry (Township)
- Bartelso
- Bartlett
- Bartonville
- Basco
- Batavia
- Batavia (Township)
- Batchtown
- Bath
- Bath (Township)
- Baylis
- Bay View Gardens
- Beach Park
- Bear Creek
- Beardstown
- Beardstown (Township)
- Bear Grove
- Beason
- Beaucoup
- Beaver
- Beaver Creek
- Beaverville
- Beaverville (Township)
- Beckemeyer
- Bedford
- Bedford Park
- Beecher
- Beecher City
- Belgium
- Belknap
- Belle Prairie
- Belle Prairie City
- Belle Rive
- Belleville
- Bellevue
- Bellflower
- Bellflower (Township)
- Bellmont
- Bell Plain
- Bellwood
- Belmont
- Belvidere
- Belvidere (Township)
- Bement
- Bement (Township)
- Benld
- Bennington
- Bensenville
- Benson
- Bentley
- Benton
- Benton (Township)
- Berkeley
- Berlin
- Bernadotte
- Berreman
- Berry
- Berwick
- Berwyn
- Berwyn (Township)
- Bethalto
- Bethany
- Bethel
- Beverly
- Bible Grove
- Big Grove
- Biggsville
- Biggsville (Township)
- Big Mound
- Big Rock
- Big Rock (Township)
- Big Spring
- Bingham
- Bird
- Birmingham
- Bishop
- Bishop Hill
- Bismarck
- Blackberry
- Blackhawk
- Blair
- Blandinsville
- Blandinsville (Township)
- Blissville
- Bloom
- Bloomingdale
- Bloomingdale (Township)
- Bloomington
- Bloomington City
- Bloomington (Township)
- Blount
- Blue Island
- Blue Mound
- Blue Mound (Township)
- Blue Ridge
- Bluffdale
- Bluffs
- Bluff Springs
- Bluford
- Bois D'Arc
- Bolingbrook
- Bolo
- Bond
- Bondville
- Bone Gap
- Bonfield
- Bonnie
- Bonpas
- Bonus
- Boody
- Boone
- Boulder Hill
- Bourbon
- Bourbonnais
- Bourbonnais (Township)
- Bowdre
- Bowen
- Bowlesville
- Bowling
- Bowling Green
- Boynton
- Braceville
- Braceville (Township)
- Bradford
- Bradley
- Braidwood
- Breese
- Breese (Township)
- Bremen
- Brenton
- Bridgeport
- Bridgeport (Township)
- Bridgeview
- Brighton
- Brighton (Township)
- Brimfield
- Brimfield (Township)
- Bristol
- Broadlands
- Broadview
- Broadwell
- Broadwell (Township)
- Brocton
- Brookfield
- Brooklyn
- Brookport
- Brookside
- Brookville
- Broughton
- Brouilletts Creek
- Brown
- Browning
- Browning (Township)
- Browns
- Brownstown
- Bruce
- Brushy
- Brushy Mound
- Brussels
- Bryant
- Buck
- Buckeye
- Buckhart
- Buckheart
- Buckhorn
- Buckingham
- Buckley
- Buckner
- Buda
- Buena Vista
- Buffalo
- Buffalo Grove
- Buffalo Hart
- Buffalo Prairie
- Bull Valley
- Bulpitt
- Buncombe
- Bunker Hill
- Bunker Hill (Township)
- Burbank
- Bureau
- Bureau Junction
- Burgess
- Burlington
- Burlington (Township)
- Burnham
- Burns
- Burnt Prairie
- Burnt Prairie (Township)
- Burritt
- Burr Ridge
- Burton
- Bush
- Bushnell
- Bushnell (Township)
- Butler
- Butler Grove
- Button
- Byron
- Byron (Township)
- Cabery
- Cahokia
- Cairo
- Caledonia
- Caledonia (Township)
- Calhoun
- Calumet
- Calumet City
- Calumet Park
- Camargo
- Camargo (Township)
- Cambria
- Cambridge
- Cambridge (Township)
- Camden
- Camden (Township)
- Campbell Hill
- Camp Point
- Camp Point (Township)
- Campton
- Campton Hills
- Campus
- Candlewick Lake
- Canoe Creek
- Canteen
- Canton
- Canton (Township)
- Cantrall
- Capital
- Capron
- Carbon Cliff
- Carbondale
- Carbondale (Township)
- Carbon Hill
- Carlinville
- Carlinville (Township)
- Carlock
- Carlyle
- Carlyle (Township)
- Carman
- Carmi
- Carmi (Township)
- Carol Stream
- Carpentersville
- Carrier Mills
- Carrier Mills (Township)
- Carrigan
- Carroll
- Carrollton
- Carrollton (Township)
- Carson
- Carterville
- Carthage
- Carthage (Township)
- Cartwright
- Cary
- Casey
- Casey (Township)
- Caseyville
- Caseyville (Township)
- Casner
- Cass
- Catlin
- Catlin (Township)
- Cave
- Cave-In-Rock
- Cazenovia
- Cedar
- Cedar Point
- Cedarville
- Central
- Central City
- Centralia
- Centralia (Township)
- Centreville
- Centreville (Township)
- Cerro Gordo
- Cerro Gordo (Township)
- Chadwick
- Chalmers
- Chambersburg
- Champaign
- Champaign City
- Champaign (Township)
- Chandlerville
- Chandlerville (Township)
- Channahon
- Channahon (Township)
- Channel Lake
- Chapin
- Charleston
- Charleston (Township)
- Charlotte
- Chatham
- Chatham (Township)
- Chatsworth
- Chatsworth (Township)
- Chebanse
- Chebanse (Township)
- Chemung
- Chemung (Township)
- Cheney's Grove
- Chenoa
- Chenoa (Township)
- Cherry
- Cherry Grove-Shannon
- Cherry Valley
- Cherry Valley (Township)
- Chester
- Chesterfield
- Chesterfield (Township)
- Chestnut
- Chicago
- Chicago Heights
- Chicago Ridge
- Chili
- Chillicothe
- Chillicothe (Township)
- Chouteau
- Chrisman
- Christopher
- Christy
- Cicero
- Cicero (Township)
- Cincinnati
- Cisco
- Cisne
- Cissna Park
- Claremont
- Claremont (Township)
- Clarendon Hills
- Clarion
- Clarksburg
- Clay City
- Clay City (Township)
- Clayton
- Clayton (Township)
- Clear Lake
- Clear Lake (Township)
- Clement
- Cleveland
- Clifton
- Clinton
- Clintonia
- Clover
- Clyde
- Coal City
- Coalton
- Coal Valley
- Coal Valley (Township)
- Coatsburg
- Cobden
- Coe
- Coffeen
- Colchester
- Colchester (Township)
- Coldbrook
- Cold Spring
- Coleta
- Colfax
- Collinsville
- Collinsville (Township)
- Coloma
- Colona
- Colona (Township)
- Colp
- Columbia
- Columbus
- Columbus (Township)
- Como
- Compromise
- Compton
- Concord
- Condit
- Congerville
- Cooksville
- Cooper
- Cooperstown
- Copley
- Coral
- Cordova
- Cordova (Township)
- Cornell
- Cornland
- Cornwall
- Cortland
- Cortland (Township)
- Corwin
- Cottage
- Cotton Hill
- Cottonwood
- Coulterville
- Council Hill
- Country Club Hills
- Countryside
- Covington
- Cowden
- Coyne Center
- Crab Orchard
- Crainville
- Crane Creek
- Creal Springs
- Creek
- Crescent
- Crescent City
- Crest Hill
- Creston
- Crestwood
- Crete
- Crete (Township)
- Creve Coeur
- Crittenden
- Crook
- Crooked Creek
- Cropsey
- Crossville
- Crouch
- Cruger
- Crystal Lake
- Crystal Lawns
- Cuba
- Cullom
- Cunningham
- Curran
- Curran (Township)
- Custer
- Cutler
- Cypress
- Dahlgren
- Dahlgren (Township)
- Dakota
- Dakota (Township)
- Dale
- Dallas City
- Dallas City (Township)
- Dalton City
- Dalzell
- Damiansville
- Dana
- Danforth
- Danforth (Township)
- Danvers
- Danvers (Township)
- Danville
- Danville (Township)
- Darien
- Darmstadt
- Darwin
- Davis
- Davis Junction
- Dawson
- Dayton
- Dayton (Township)
- Decatur
- Decatur (Township)
- Decker
- Deer Creek
- Deer Creek (Township)
- Deerfield
- Deer Grove
- Deer Park
- Degognia
- DeKalb
- DeKalb (Township)
- De Land
- Delavan
- Delavan (Township)
- Dement
- Denison
- Denning
- Denver
- De Pue
- Derinda
- Derry
- De Soto
- De Soto (Township)
- Des Plaines
- Detroit
- Detroit (Township)
- De Witt
- De Witt (Township)
- Diamond
- Dieterich
- Dillon
- Dimmick
- Divernon
- Divernon (Township)
- Dix
- Dixmoor
- Dixon
- Dixon (Township)
- Dodds
- Dolson
- Dolton
- Dongola
- Donnellson
- Donovan
- Dora
- Dorchester
- Dorchester (Township)
- Dorr
- Douglas
- Dover
- Dover (Township)
- Dowell
- Downers Grove
- Downers Grove (Township)
- Downs
- Downs (Township)
- Drummer
- Drury
- Dry Grove
- Dry Point
- Du Bois
- Du Bois (Township)
- Duncan
- Dundee
- Dunfermline
- Dunham
- Dunlap
- Dunleith
- Du Page
- Dupo
- Du Quoin
- Durand
- Durand (Township)
- Durham
- Dwight
- Dwight (Township)
- Eagarville
- Eagle
- Eagle Creek
- Eagle Point
- Earl
- Earlville
- East Alton
- East Bend
- East Brooklyn
- East Cape Girardeau
- East Carondelet
- East Dubuque
- East Dundee
- East Eldorado
- Eastern
- East Fork
- East Galena
- East Galesburg
- East Gillespie
- East Grove
- East Hazel Crest
- East Lincoln
- East Moline
- East Nelson
- East Oakland
- Easton
- East Peoria
- East St. Louis
- East St. Louis (Township)
- Eddyville
- Eden
- Edford
- Edgar
- Edgewood
- Edgington
- Edinburg
- Edwardsville
- Edwardsville (Township)
- Effingham
- Ela
- Elba
- Elbridge
- Elburn
- El Dara
- Eldorado
- Eldred
- Elgin
- Elgin (Township)
- Eliza
- Elizabeth
- Elizabethtown
- Elizabeth (Township)
- Elk
- Elk Grove
- Elk Grove Village
- Elkhart
- Elkhart (Township)
- Elkhorn
- Elkhorn Grove
- Elk Prairie
- Elkville
- Ellington
- Elliott
- Ellis Grove
- Ellison
- Ellisville
- Ellisville (Township)
- Ellsworth
- Elm Grove
- Elmhurst
- Elmira
- Elm River
- Elmwood
- Elmwood Park
- Elmwood (Township)
- El Paso
- El Paso (Township)
- Elsah
- Elsah (Township)
- Elvaston
- Elwood
- Embarrass
- Emden
- Eminence
- Emington
- Emma
- Emmet
- Empire
- Energy
- Enfield
- Enfield (Township)
- Engelmann
- English
- Eppards Point
- Equality
- Equality (Township)
- Erie
- Erienna
- Erie (Township)
- Erin
- Esmen
- Essex
- Essex (Township)
- Eureka
- Evans
- Evanston
- Evansville
- Evergreen Park
- Ewing
- Ewing (Township)
- Exeter
- Fairbury
- Fairfield
- Fairhaven
- Fairmont
- Fairmont City
- Fairmount
- Fairview
- Fairview Heights
- Fairview (Township)
- Fall Creek
- Fall River
- Fancy Creek
- Farina
- Farmer City
- Farmers
- Farmersville
- Farmington
- Farmington (Township)
- Farm Ridge
- Farrington
- Fayette
- Fayetteville
- Fayetteville (Township)
- Felix
- Fenton
- Ferris
- Fidelity
- Fidelity (Township)
- Field
- Fieldon
- Fillmore
- Fillmore Consolidated
- Findlay
- Fisher
- Fithian
- Flagg
- Flanagan
- Flannigan
- Flat Branch
- Flat Rock
- Flint
- Flora
- Floraville
- Florence
- Flossmoor
- Floyd
- Fondulac
- Foosland
- Ford Heights
- Forest City
- Forest City (Township)
- Forest Lake
- Forest Park
- Forest View
- Forrest
- Forreston
- Forreston (Township)
- Forrest (Township)
- Forsyth
- Fort Russell
- Foster
- Fountain Bluff
- Fountain Creek
- Fountain Green
- Four Mile
- Fox
- Fox Lake
- Fox Lake Hills
- Fox River Grove
- Frankfort
- Frankfort Square
- Frankfort (Township)
- Franklin
- Franklin Grove
- Franklin Grove (Township)
- Franklin Park
- Frederick
- Freeburg
- Freeburg (Township)
- Freedom
- Freeman Spur
- Freeport
- Freeport (Township)
- Fremont
- Friends Creek
- Fulton
- Fulton (Township)
- Fults
- Funks Grove
- Gages Lake
- Galatia
- Galatia (Township)
- Galena
- Galesburg
- Galesburg City
- Galesburg (Township)
- Galva
- Galva (Township)
- Ganeer
- Garden Hill
- Garden Plain
- Garden Prairie
- Gardner
- Garfield
- Garrett
- Garrett (Township)
- Gays
- Genesee
- Geneseo
- Geneseo (Township)
- Geneva
- Geneva (Township)
- Genoa
- Genoa (Township)
- Georgetown
- Georgetown (Township)
- German
- Germantown
- Germantown Hills
- Germantown (Township)
- German Valley
- Germanville
- Gibson City
- Gifford
- Gilberts
- Gillespie
- Gillespie (Township)
- Gilman
- Gilmer
- Gilson
- Girard
- Girard (Township)
- Gladstone
- Gladstone (Township)
- Glasford
- Glasgow
- Glen Carbon
- Glencoe
- Glendale Heights
- Glen Ellyn
- Glenview
- Glenwood
- Godfrey
- Godfrey (Township)
- Godley
- Golconda
- Gold
- Golden
- Golden Gate
- Gold Hill
- Golf
- Goode
- Goodfarm
- Goodfield
- Good Hope
- Goofy Ridge
- Goose Creek
- Goose Lake
- Goreville
- Gorham
- Goshen
- Grafton
- Grand Detour
- Grand Detour (Township)
- Grand Prairie
- Grand Rapids
- Grand Ridge
- Grand Tower
- Grand Tower (Township)
- Grandview
- Grandville
- Grandwood Park
- Granite City
- Granite City (Township)
- Grant
- Grantfork
- Grant Park
- Granville
- Granville (Township)
- Gray
- Grayslake
- Grayville
- Greenbush
- Greene
- Greenfield
- Green Garden
- Green Oaks
- Greenup
- Greenup (Township)
- Green Valley
- Greenview
- Greenville
- Greenwood
- Greenwood (Township)
- Gridley
- Gridley (Township)
- Griggsville
- Griggsville (Township)
- Grisham
- Grove
- Groveland
- Grover
- Guilford
- Gulf Port
- Gurnee
- Hadley
- Hagener
- Hahnaman
- Haines
- Hainesville
- Hale
- Hall
- Hallock
- Hamburg
- Hamel
- Hamel (Township)
- Hamilton
- Hammond
- Hampshire
- Hampshire (Township)
- Hampton
- Hampton (Township)
- Hanaford
- Hancock
- Hanna
- Hanna City
- Hanover
- Hanover Park
- Hanover (Township)
- Hardin
- Harlem
- Harmon
- Harmon (Township)
- Harmony
- Harp
- Harris
- Harrisburg
- Harrisburg (Township)
- Harrison
- Harristown
- Harristown (Township)
- Harter
- Hartford
- Hartland
- Hartsburg
- Harvard
- Harvel
- Harvel (Township)
- Harvey
- Harwood
- Harwood Heights
- Havana
- Havana (Township)
- Haw Creek
- Hawthorne
- Hawthorn Woods
- Hazel Crest
- Hebron
- Hebron (Township)
- Hecker
- Helvetia
- Henderson
- Henderson (Township)
- Hennepin
- Hennepin (Township)
- Henning
- Henry
- Henry (Township)
- Hensley
- Heralds Prairie
- Heritage Lake
- Herrick
- Herrick (Township)
- Herrin
- Herscher
- Hettick
- Heyworth
- Hickory
- Hickory Hill
- Hickory Hills
- Hickory Point
- Hidalgo
- Highland
- Highland Park
- Highwood
- Hillcrest
- Hillsboro
- Hillsboro (Township)
- Hillsdale
- Hillside
- Hillview
- Hillyard
- Hinckley
- Hindsboro
- Hinsdale
- Hire
- Hittle
- Hodgkins
- Hoffman
- Hoffman Estates
- Holiday Hills
- Holiday Shores
- Holland
- Hollis
- Hollowayville
- Homer
- Homer Glen
- Hometown
- Homewood
- Honey Creek
- Honey Point
- Hoopeston
- Hooppole
- Hoosier
- Hope
- Hopedale
- Hopedale (Township)
- Hopewell
- Hopewell (Township)
- Hopkins
- Hopkins Park
- Houston
- Hoyleton
- Hoyleton (Township)
- Hudson
- Hudson (Township)
- Huey
- Hull
- Humboldt
- Humboldt (Township)
- Hume
- Hunt City
- Hunter
- Huntley
- Huntsville
- Hurlbut
- Hurricane
- Hurst
- Hutsonville
- Hutsonville (Township)
- Hutton
- Illini
- Illiopolis
- Illiopolis (Township)
- Ina
- Independence
- Indian Creek
- Indian Grove
- Indian Head Park
- Indianola
- Indian Point
- Indian Prairie
- Indiantown
- Industry
- Industry (Township)
- Ingalls Park
- Inverness
- Iola
- Ipava
- Irishtown
- Iroquois
- Iroquois (Township)
- Irving
- Irvington
- Irvington (Township)
- Irving (Township)
- Irwin
- Isabel
- Island Grove
- Island Lake
- Itasca
- Iuka
- Iuka (Township)
- Ivesdale
- Jackson
- Jacksonville
- Jamaica
- Jarvis
- Jasper
- Jefferson
- Jeffersonville
- Jeisyville
- Jerome
- Jersey
- Jerseyville
- Jewett
- Johannisburg
- Johnsburg
- Johnson
- Johnsonville
- Johnston City
- Joliet
- Joliet (Township)
- Jonathan Creek
- Jonesboro
- Joppa
- Jordan
- Joshua
- Joy
- Jubilee
- Junction
- Junction City
- Justice
- Kampsville
- Kane
- Kane (Township)
- Kaneville
- Kaneville (Township)
- Kangley
- Kankakee
- Kankakee (Township)
- Kansas
- Kansas (Township)
- Kappa
- Karnak
- Kaskaskia
- Keene
- Keenes
- Keensburg
- Keith
- Keithsburg
- Keithsburg (Township)
- Kell
- Kelly
- Kempton
- Kendall
- Kenilworth
- Kenney
- Kent
- Kerr
- Kerton
- Kewanee
- Kewanee (Township)
- Keyesport
- Kickapoo
- Kilbourne
- Kilbourne (Township)
- Kildeer
- Kincaid
- Kinderhook
- Kinderhook (Township)
- King
- Kingston
- Kingston Mines
- Kingston (Township)
- Kinkaid
- Kinmundy
- Kinmundy (Township)
- Kinsman
- Kirkland
- Kirkwood
- Knight Prairie
- Knollwood
- Knox
- Knoxville
- La Clede
- Lacon
- Lacon (Township)
- Ladd
- Laenna
- Lafayette
- La Fayette
- Lagrange
- La Grange
- La Grange Park
- La Harpe
- La Harpe (Township)
- Lake
- Lake Barrington
- Lake Bluff
- Lake Camelot
- Lake Catherine
- Lake Forest
- Lake Fork
- Lake Holiday
- Lake in the Hills
- Lake Ka-Ho
- Lakemoor
- Lake of the Woods
- Lake Petersburg
- Lake Summerset
- Lake Villa
- Lake Villa (Township)
- Lakewood
- Lakewood Shores
- Lake Zurich
- Lamard
- La Moille
- La Moille (Township)
- Lamoine
- Lamotte
- Lanark
- Lancaster
- Lanesville
- Langleyville
- Lansing
- Laona
- LaPlace
- La Prairie
- Larkinsburg
- La Rose
- LaSalle
- LaSalle (Township)
- Latham
- Lawndale
- Lawrence
- Lawrenceville
- Leaf River
- Leaf River (Township)
- Lebanon
- Lebanon (Township)
- Lee
- Lee Center
- Leech
- Leef
- Leepertown
- Leland
- Leland Grove
- Lemont
- Lemont (Township)
- Lena
- Lenox
- Lenzburg
- Lenzburg (Township)
- Leonore
- Lerna
- Le Roy
- LeRoy
- Levan
- Levee
- Lewistown
- Lewistown (Township)
- Lexington
- Lexington (Township)
- Leyden
- Liberty
- Liberty (Township)
- Libertyville
- Libertyville (Township)
- Licking
- Lily Lake
- Lima
- Lima (Township)
- Limestone
- Limestone (Township)
- Lincoln
- Lincolnshire
- Lincolnwood
- Lindenhurst
- Linder
- Linn
- Lisbon
- Lisbon (Township)
- Lisle
- Lisle (Township)
- Litchfield
- Little Mackinaw
- Little Rock
- Littleton
- Littleton (Township)
- Little York
- Lively Grove
- Liverpool
- Liverpool (Township)
- Livingston
- Loami
- Loami (Township)
- Lockport
- Lockport (Township)
- Locust
- Loda
- Loda (Township)
- Logan
- Lomax
- Lomax (Township)
- Lombard
- London Mills
- Lone Grove
- Long Branch
- Long Creek
- Long Creek (Township)
- Long Grove
- Long Lake
- Long Point
- Long Point (Township)
- Longview
- Looking Glass
- Loraine
- Loran
- Lostant
- Lost Nation
- Loudon
- Louisville
- Louisville (Township)
- Love
- Lovejoy
- Loves Park
- Lovington
- Lovington (Township)
- Lowe
- Lucas
- Ludlow
- Ludlow (Township)
- Lukin
- Lyman
- Lynchburg
- Lyndon
- Lyndon (Township)
- Lynn
- Lynnville
- Lynwood
- Lyons
- Lyons (Township)
- Macedonia
- Machesney Park
- Mackinaw
- Mackinaw (Township)
- Macomb
- Macomb City
- Macomb (Township)
- Macon
- Madison
- Maeystown
- Magnolia
- Magnolia (Township)
- Mahomet
- Mahomet (Township)
- Maine
- Makanda
- Makanda (Township)
- Malden
- Malone
- Malta
- Malta (Township)
- Manchester
- Manhattan
- Manhattan (Township)
- Manito
- Manito (Township)
- Manlius
- Manlius (Township)
- Mansfield
- Manteno
- Manteno (Township)
- Maple Park
- Mapleton
- Maquon
- Maquon (Township)
- Marengo
- Marengo (Township)
- Marietta
- Marine
- Marine (Township)
- Marion
- Marissa
- Marissa (Township)
- Mark
- Markham
- Maroa
- Maroa (Township)
- Marquette Heights
- Marrowbone
- Marseilles
- Marshall
- Marshall (Township)
- Martin
- Martinsburg
- Martinsville
- Martinsville (Township)
- Martinton
- Martinton (Township)
- Maryland
- Maryville
- Mascoutah
- Mascoutah (Township)
- Mason
- Mason City
- Mason City (Township)
- Mason (Township)
- Massilon
- Matherville
- Matteson
- Mattoon
- Mattoon (Township)
- Maunie
- Maxwell
- May
- Mayberry
- Mayfield
- Maywood
- Mazon
- Mazon (Township)
- McClellan
- McClure
- McCook
- McCullom Lake
- McHenry
- McHenry (Township)
- McKee
- McKendree
- McLean
- McLeansboro
- McLeansboro (Township)
- McNabb
- Meacham
- Mechanicsburg
- Mechanicsburg (Township)
- Media
- Media (Township)
- Medina
- Medora
- Melrose
- Melrose Park
- Melvin
- Mendon
- Mendon (Township)
- Mendota
- Mendota (Township)
- Menominee
- Menominee (Township)
- Mercer
- Meredosia
- Meriden
- Meridian
- Merrionette Park
- Metamora
- Metamora (Township)
- Metcalf
- Metropolis
- Mettawa
- Middlefork
- Middleport
- Middletown
- Midlothian
- Milan
- Milford
- Milford (Township)
- Milks Grove
- Millbrook
- Mill Creek
- Milledgeville
- Miller
- Millersburg
- Millington
- Mills
- Mill Shoals
- Mill Shoals (Township)
- Millstadt
- Millstadt (Township)
- Milo
- Milton
- Mineral
- Mineral (Township)
- Minier
- Minonk
- Minonk (Township)
- Minooka
- Mission
- Mississippi
- Missouri
- Mitchell
- Moccasin
- Modesto
- Mokena
- Moline
- Moline (Township)
- Momence
- Momence (Township)
- Mona
- Monee
- Monee (Township)
- Money Creek
- Monmouth
- Monmouth (Township)
- Monroe
- Monroe Center
- Montebello
- Montezuma
- Montgomery
- Monticello
- Monticello (Township)
- Montmorency
- Montrose
- Moores Prairie
- Moraine
- Morgan
- Moro
- Morris
- Morrison
- Morrisonville
- Morris (Township)
- Morton
- Morton Grove
- Morton (Township)
- Mosquito
- Mound
- Mound City
- Mounds
- Mound Station
- Mountain
- Mount Auburn
- Mount Auburn (Township)
- Mount Carmel
- Mount Carroll
- Mount Carroll (Township)
- Mount Clare
- Mount Erie
- Mount Erie (Township)
- Mount Hope
- Mount Morris
- Mount Morris (Township)
- Mount Olive
- Mount Olive (Township)
- Mount Pleasant
- Mount Prospect
- Mount Pulaski
- Mount Pulaski (Township)
- Mount Sterling
- Mount Sterling (Township)
- Mount Vernon
- Mount Vernon (Township)
- Mount Zion
- Mount Zion (Township)
- Moweaqua
- Moweaqua (Township)
- Muddy
- Mulberry Grove
- Mulberry Grove (Township)
- Mulkeytown
- Muncie
- Mundelein
- Munson
- Murdock
- Murphysboro
- Murphysboro (Township)
- Murrayville
- Na-Au-Say
- Nachusa
- Nameoki
- Naperville
- Naperville (Township)
- Naplate
- Naples
- Nashville
- Nashville (Township)
- Nason
- Nauvoo
- Nauvoo (Township)
- Nebo
- Nebraska
- Nelson
- Nelson (Township)
- Neoga
- Neoga (Township)
- Neponset
- Neponset (Township)
- Nettle Creek
- Nevada
- Newark
- New Athens
- New Athens (Township)
- New Baden
- New Bedford
- New Berlin
- New Berlin (Township)
- New Boston
- New Boston (Township)
- Newburg
- New Burnside
- New Canton
- Newcomb
- New Douglas
- New Douglas (Township)
- Newell
- New Grand Chain
- New Haven
- New Haven (Township)
- New Holland
- New Lenox
- New Lenox (Township)
- Newman
- Newmansville
- Newman (Township)
- New Milford
- New Minden
- Newport
- New Salem
- New Salem (Township)
- Newton
- Newtown
- New Trier
- Niantic
- Niantic (Township)
- Niles
- Niles (Township)
- Nilwood
- Nilwood (Township)
- Nixon
- Noble
- Noble (Township)
- Nokomis
- Nokomis (Township)
- Nora
- Nora (Township)
- Normal
- Normal (Township)
- Norman
- Norridge
- Norris
- Norris City
- North Aurora
- North Barrington
- Northbrook
- North Chicago
- North City
- Northeast
- Northern
- Northfield
- Northfield (Township)
- North Fork
- North Henderson
- North Henderson (Township)
- Northlake
- North Litchfield
- North Muddy
- North Okaw
- North Otter
- North Palmyra
- North Pekin
- North Riverside
- North Utica
- Northville
- Norton
- Norwood
- Norwood Park
- Nunda
- Oak Brook
- Oakbrook Terrace
- Oakdale
- Oakdale (Township)
- Oakford
- Oak Forest
- Oak Grove
- Oakland
- Oak Lawn
- Oakley
- Oak Park
- Oak Park (Township)
- Oak Run
- Oakwood
- Oakwood Hills
- Oakwood (Township)
- Oblong
- Oblong (Township)
- Oconee
- Oconee (Township)
- Odell
- Odell (Township)
- Odin
- Odin (Township)
- O'Fallon
- O'Fallon (Township)
- Ogden
- Ogden (Township)
- Oglesby
- Ohio
- Ohio Grove
- Ohio (Township)
- Ohlman
- Okaw
- Okawville
- Okawville (Township)
- Old Mill Creek
- Old Ripley
- Old Ripley (Township)
- Old Shawneetown
- Old Town
- Olio
- Olive
- Olive Branch
- Olivet
- Olmsted
- Olney
- Olney (Township)
- Olympia Fields
- Omaha
- Omaha (Township)
- Omega
- Omphghent
- Onarga
- Onarga (Township)
- Oneco
- Oneida
- Ontario
- Opdyke
- Ophir
- Oquawka
- Oquawka (Township)
- Ora
- Oran
- Orange
- Orangeville
- Orchard
- Oreana
- Oregon
- Oregon-Nashua
- Orel
- Orient
- Orion
- Orland
- Orland Hills
- Orland Park
- Orvil
- Osage
- Osceola
- Osco
- Oskaloosa
- Oswego
- Oswego (Township)
- Otego
- Ottawa
- Ottawa (Township)
- Otter Creek
- Otterville
- Otto
- Owaneco
- Owego
- Owen
- Oxford
- Paderborn
- Palatine
- Palatine (Township)
- Palestine
- Palmer
- Palmyra
- Palos
- Palos Heights
- Palos Hills
- Palos Park
- Pana
- Panama
- Pana (Township)
- Panola
- Panola (Township)
- Panther Creek
- Papineau
- Papineau (Township)
- Paradise
- Paris
- Paris (Township)
- Park City
- Parker
- Parkersburg
- Park Forest
- Park Ridge
- Partridge
- Patoka
- Patoka (Township)
- Patterson
- Patton
- Pawnee
- Pawnee (Township)
- Paw Paw
- Paxton
- Payson
- Payson (Township)
- Peach Orchard
- Pea Ridge
- Pearl
- Pearl City
- Pearl (Township)
- Pecatonica
- Pecatonica (Township)
- Pekin
- Pekin (Township)
- Pella
- Pembroke
- Pendleton
- Penfield
- Penn
- Pennsylvania
- Peoria
- Peoria City
- Peoria Heights
- Peotone
- Peotone (Township)
- Percy
- Perry
- Perryton
- Perry (Township)
- Persifer
- Peru
- Peru (Township)
- Pesotum
- Pesotum (Township)
- Petersburg
- Petty
- Phenix
- Philadelphia
- Phillips
- Phillipstown
- Philo
- Philo (Township)
- Phoenix
- Piasa
- Pickaway
- Pierce
- Pierron
- Pigeon Grove
- Pike
- Pilot
- Pilot Grove
- Pilot Knob
- Pinckneyville
- Pine Creek
- Pine Rock
- Pingree Grove
- Pin Oak
- Piper City
- Pistakee Highlands
- Pitman
- Pittsburg
- Pittsfield
- Pittsfield (Township)
- Pixley
- Plainfield
- Plainfield (Township)
- Plainville
- Plano
- Plato
- Plattville
- Pleasant
- Pleasant Grove
- Pleasant Hill
- Pleasant Hill (Township)
- Pleasant Mound
- Pleasant Plains
- Pleasant Ridge
- Pleasant Vale
- Pleasant Valley
- Pleasant View
- Plum Hill
- Plymouth
- Pocahontas
- Point Pleasant
- Polk
- Polo
- Pomona
- Pontiac
- Pontiac (Township)
- Pontoon Beach
- Pontoosuc
- Pontoosuc (Township)
- Pope
- Poplar Grove
- Poplar Grove (Township)
- Port Barrington
- Port Byron
- Port Byron (Township)
- Portland
- Posen
- Potomac
- Prairie
- Prairie City
- Prairie City (Township)
- Prairie Creek
- Prairie Du Long
- Prairie du Rocher
- Prairie Green
- Prairie Grove
- Prairieton
- Preemption
- Prestbury
- Preston
- Preston Heights
- Princeton
- Princeton (Township)
- Princeville
- Princeville (Township)
- Prophetstown
- Prophetstown (Township)
- Prospect Heights
- Proviso
- Pulaski
- Putman
- Quarry
- Quincy
- Quincy (Township)
- Quiver
- Raccoon
- Radnor
- Radom
- Raleigh
- Raleigh (Township)
- Ramsey
- Ramsey (Township)
- Randolph
- Rankin
- Ransom
- Rantoul
- Rantoul (Township)
- Rapids City
- Raritan
- Raritan (Township)
- Rawlins
- Raymond
- Raymond (Township)
- Reading
- Rector
- Red Bud
- Reddick
- Redmon
- Reed
- Rentchler
- Reynolds
- Rice
- Rich
- Richfield
- Richland
- Richland Grove
- Richmond
- Richmond (Township)
- Richton Park
- Richview
- Richview (Township)
- Richwood
- Richwoods
- Ricks
- Ridge
- Ridge Farm
- Ridgeland
- Ridgway
- Ridgway (Township)
- Ridott
- Ridott (Township)
- Riley
- Ringwood
- Rio
- Rio (Township)
- Ripley
- Ripley (Township)
- Riverdale
- River Forest
- River Forest (Township)
- River Grove
- Riverside
- Riverside (Township)
- Riverton
- Riverwoods
- Rivoli
- Roanoke
- Roanoke (Township)
- Robbins
- Roberts
- Robinson
- Robinson (Township)
- Rochelle
- Rochester
- Rochester (Township)
- Rockbridge
- Rockbridge (Township)
- Rock City
- Rock Creek
- Rock Creek-Lima
- Rockdale
- Rock Falls
- Rockford
- Rockford (Township)
- Rock Grove
- Rock Island
- Rock Island Arsenal
- Rock Island (Township)
- Rock Run
- Rockton
- Rockton (Township)
- Rockvale
- Rockville
- Rockwood
- Rocky Run-Wilcox
- Rogers
- Rolling Meadows
- Rome
- Romeoville
- Romine
- Roodhouse
- Roodhouse (Township)
- Rooks Creek
- Rosamond
- Roscoe
- Roscoe (Township)
- Rose
- Rosedale
- Rosefield
- Rose Hill
- Roselle
- Rosemont
- Roseville
- Roseville (Township)
- Rosewood Heights
- Rosiclare
- Ross
- Rossville
- Round Grove
- Round Lake
- Round Lake Beach
- Round Lake Heights
- Round Lake Park
- Rountree
- Roxana
- Royal
- Royal Lakes
- Royalton
- Rozetta
- Rubicon
- Ruma
- Rural
- Rush
- Rushville
- Rushville (Township)
- Russell
- Russellville
- Rutland
- Rutland (Township)
- Rutledge
- Ruyle
- Sadorus
- Sadorus (Township)
- Sailor Springs
- Salem
- Salem (Township)
- Salina
- Saline
- Salt Creek
- Sammons Point
- Sandoval
- Sandoval (Township)
- Sand Prairie
- Sand Ridge
- Sandwich
- Sandwich (Township)
- Sangamon
- Sangamon Valley
- San Jose
- Santa Anna
- Santa Fe
- Saratoga
- Sargent
- Sauget
- Sauk Village
- Saunemin
- Saunemin (Township)
- Savanna
- Savanna (Township)
- Savoy
- Sawyerville
- Saybrook
- Scales Mound
- Scales Mound (Township)
- Schaumburg
- Schaumburg (Township)
- Schiller Park
- Schram City
- Sciota
- Sciota (Township)
- Scotland
- Scott
- Scott AFB
- Scottville
- Scottville (Township)
- Seaton
- Seatonville
- Secor
- Sefton
- Selby
- Seminary
- Senachwine
- Seneca
- Serena
- Sesser
- Seven Hickory
- Seward
- Seymour
- Shabbona
- Shabbona (Township)
- Shafter
- Shannon
- Sharon
- Shawnee
- Shawneetown
- Shaws Point
- Sheffield
- Shelbyville
- Shelbyville (Township)
- Sheldon
- Sheldon (Township)
- Sheridan
- Sherman
- Sherrard
- Shields
- Shiloh
- Shiloh Valley
- Shipman
- Shipman (Township)
- Shirland
- Shoal Creek
- Shorewood
- Shumway
- Sibley
- Sidell
- Sidell (Township)
- Sidney
- Sidney (Township)
- Sigel
- Sigel (Township)
- Silver Creek
- Silvis
- Simpson
- Sims
- Six Mile
- Skokie
- Sleepy Hollow
- Smallwood
- Smithboro
- Smithfield
- Smithton
- Smithton (Township)
- Somer
- Somerset
- Somonauk
- Somonauk (Township)
- Songer
- Sonora
- Sorento
- South Barrington
- South Beloit
- South Chicago Heights
- South Crouch
- South Dixon
- South Elgin
- Southern View
- South Flannigan
- South Fork
- South Grove
- South Holland
- South Homer
- South Hurricane
- South Jacksonville
- South Litchfield
- South Macon
- South Moline
- South Muddy
- South Ottawa
- South Otter
- South Palmyra
- South Pekin
- South Rock Island
- South Ross
- South Roxana
- South Twigg
- Southwest
- South Wheatland
- South Wilmington
- Sparland
- Sparta
- Spaulding
- Spillertown
- Spring
- Spring Bay
- Spring Bay (Township)
- Spring Creek
- Springerton
- Springfield
- Springfield (Township)
- Spring Garden
- Spring Grove
- Spring Lake
- Spring Point
- Spring Valley
- Squaw Grove
- St. Albans
- Standard
- Standard City
- Stanford
- St. Anne
- St. Anne (Township)
- Stanton
- St. Augustine
- Staunton
- Staunton (Township)
- St. Charles
- St. Charles (Township)
- St. Clair
- St. David
- Steeleville
- Steger
- St. Elmo
- Ste. Marie
- Ste. Marie (Township)
- Sterling
- Sterling (Township)
- Steuben
- Stevenson
- Steward
- Stewardson
- St. Francis
- St. Francisville
- Stickney
- Stickney (Township)
- Stillman Valley
- Stites
- St. Jacob
- St. Jacob (Township)
- St. Johns
- St. Joseph
- St. Joseph (Township)
- St. Libory
- St. Mary
- Stockland
- Stockton
- Stockton (Township)
- Stonefort
- Stonefort (Township)
- Stone Park
- Stonington
- Stonington (Township)
- Stookey
- Stoy
- St. Peter
- Strasburg
- Stratton
- Strawn
- Streamwood
- Streator
- Stronghurst
- Stronghurst (Township)
- St. Rose
- St. Rose (Township)
- Sublette
- Sublette (Township)
- Suez
- Sugar Creek
- Sugar Grove
- Sugar Grove (Township)
- Sugar Loaf
- Sullivan
- Sullivant
- Sullivan (Township)
- Summerfield
- Summit
- Sumner
- Sumpter
- Sunbury
- Sun River Terrace
- Swan
- Swansea
- Sycamore
- Sycamore (Township)
- Symerton
- Symmes
- Table Grove
- Talkington
- Tallula
- Tamalco
- Tamaroa
- Tamms
- Tampico
- Tampico (Township)
- Tate
- Taylor
- Taylor Springs
- Taylorville
- Taylorville (Township)
- Tennessee
- Tennessee (Township)
- Terre Haute
- Teutopolis
- Teutopolis (Township)
- Texas
- Thawville
- Thayer
- Thebes
- The Galena Territory
- Third Lake
- Thomasboro
- Thompson
- Thompsonville
- Thomson
- Thornton
- Thornton (Township)
- Tilden
- Tilton
- Timber
- Timberlane
- Time
- Tinley Park
- Tiskilwa
- Todds Point
- Toledo
- Tolono
- Tolono (Township)
- Toluca
- Tompkins
- Tonica
- Tonti
- Topeka
- Toulon
- Toulon (Township)
- Tovey
- Towanda
- Towanda (Township)
- Tower Hill
- Tower Hill (Township)
- Tower Lakes
- Tremont
- Tremont (Township)
- Trenton
- Trivoli
- Trout Valley
- Troy
- Troy Grove
- Troy Grove (Township)
- Truro
- Tunbridge
- Tuscola
- Tuscola (Township)
- Twigg
- Twin Grove
- Tyrone
- Ullin
- Union
- Union Grove
- Union Hill
- Unity
- University Park
- Urbana
- Urbana (Township)
- Ursa
- Ursa (Township)
- Ustick
- Utica
- Valier
- Valley
- Valley City
- Valmeyer
- Vance
- Vandalia
- Vandalia (Township)
- Varna
- Venedy
- Venedy (Township)
- Venetian Village
- Venice
- Venice (Township)
- Vergennes
- Vergennes (Township)
- Vermilion
- Vermillion
- Vermont
- Vermont (Township)
- Vernon
- Vernon Hills
- Verona
- Versailles
- Versailles (Township)
- Victor
- Victoria
- Victoria (Township)
- Vienna
- Villa Grove
- Villa Park
- Vinegar Hill
- Viola
- Virden
- Virden (Township)
- Virgil
- Virgil (Township)
- Virginia
- Virginia (Township)
- Volo
- Wabash
- Waddams
- Wade
- Wadsworth
- Waggoner
- Waldo
- Walker
- Walkerville
- Wall
- Wallace
- Walnut
- Walnut Grove
- Walnut Hill
- Walnut (Township)
- Walshville
- Walshville (Township)
- Waltham
- Waltonville
- Wamac
- Wapella
- Wapella (Township)
- Wards Grove
- Warren
- Warrensburg
- Warren (Township)
- Warrenville
- Warsaw
- Warsaw (Township)
- Washburn
- Washington
- Washington Park
- Washington (Township)
- Wataga
- Waterford
- Waterloo
- Waterman
- Watseka
- Watson
- Watson (Township)
- Wauconda
- Wauconda (Township)
- Waukegan
- Waukegan (Township)
- Wauponsee
- Waverly
- Wayne
- Wayne City
- Waynesville
- Waynesville (Township)
- Wayne (Township)
- Webber
- Weldon
- Weller
- Wellington
- Wenona
- Wenonah
- Wesley
- West
- West Brooklyn
- Westchester
- West Chicago
- West City
- West Deerfield
- West Dundee
- Western
- Western Mound
- Western Springs
- Westervelt
- Westfield
- Westfield (Township)
- West Frankfort
- West Galena
- West Jersey
- West Lincoln
- Westmont
- West Peoria
- West Peoria (Township)
- West Point
- West Salem
- West Union
- Westville
- West York
- Wethersfield
- Wheatfield
- Wheatland
- Wheaton
- Wheeler
- Wheeling
- Wheeling (Township)
- Whiteash
- White City
- Whitefield
- White Hall
- White Hall (Township)
- White Heath
- White Oak
- White Rock
- Whitley
- Whitmore
- Wilberton
- Will
- Williams
- Williamsfield
- Williamson
- Williamsville
- Willisville
- Willow Branch
- Willowbrook
- Willow Creek
- Willow Hill
- Willow Hill (Township)
- Willow Springs
- Wilmette
- Wilmington
- Wilmington (Township)
- Wilson
- Wilsonville
- Wilton
- Winchester
- Windsor
- Windsor (Township)
- Winfield
- Winfield (Township)
- Winnebago
- Winnebago (Township)
- Winnetka
- Winslow
- Winslow (Township)
- Winthrop Harbor
- Witt
- Witt (Township)
- Wonder Lake
- Woodbine
- Woodbury
- Wood Dale
- Woodhull
- Woodland
- Woodlawn
- Woodridge
- Wood River
- Wood River (Township)
- Woodside
- Woodson
- Woodstock
- Woodville
- Woosung
- Worden
- Worth
- Worth (Township)
- Wrights
- Wyanet
- Wyanet (Township)
- Wyoming
- Wysox
- Wythe
- Xenia
- Xenia (Township)
- Yale
- Yates
- Yates City
- Yellowhead
- York
- Yorktown
- Yorkville
- Young America
- Young Hickory
- Zanesville
- Zeigler
- Zif
- Zion
- Zion (Township)
- Zuma
