A list of Illinois state communities and their associated web pages.
- Abingdon
- Adair
- Addieville
- Addison
- Adrian
- Akin
- Albany
- Albers
- Albion
- Alden
- Aledo
- Alexander
- Alexis
- Algonquin
- Alhambra
- Allendale
- Allerton
- Alma
- Alorton
- Alpha
- Alsey
- Alsip
- Alta
- Altamont
- Alto Pass
- Alton
- Altona
- Alvin
- Amboy
- Anchor
- Ancona
- Andalusia
- Andover
- Anna
- Annapolis
- Annawan
- Antioch
- Apple River
- Arcola
- Arenzville
- Argenta
- Argonne
- Arlington
- Arlington Heights
- Armington
- Armstrong
- Aroma Park
- Arrowsmith
- Arthur
- Ashkum
- Ashland
- Ashley
- Ashmore
- Ashton
- Assumption
- Astoria
- Athens
- Atkinson
- Atlanta
- Atwater
- Atwood
- Auburn
- Augusta
- Aurora
- Ava
- Aviston
- Avon
- Baileyville
- Baldwin
- Bannockburn
- Bardolph
- Barnhill
- Barrington
- Barrington Hills
- Barry
- Barstow
- Bartelso
- Bartlett
- Bartonville
- Basco
- Batavia
- Batchtown
- Bath
- Baylis
- Beach Park
- Beardstown
- Beason
- Beaverville
- Beckemeyer
- Bedford Park
- Beecher
- Beecher City
- Belknap
- Belle Rive
- Belleville
- Bellflower
- Bellmont
- Bellwood
- Belvidere
- Bement
- Benld
- Bensenville
- Benson
- Benton
- Berkeley
- Berwick
- Berwyn
- Bethalto
- Bethany
- Bettendorf
- Big Rock
- Bingham Birds
- Bishop Hill
- Bismarck
- Blackstone
- Blandinsville
- Bloomingdale
- Bloomington
- Blue Island
- Blue Mound
- Bluff Springs
- Bluffs
- Bluford
- Boles
- Bolingbrook
- Bondville
- Bone Gap
- Bonfield
- Bonnie
- Boody
- Bourbonnais Twp
- Bowen
- Braceville
- Bradford
- Bradley
- Braidwood
- Breese
- Bridgeport
- Bridgeview
- Brighton
- Brimfield
- Bristol
- Broadlands
- Broadview
- Brocton
- Brookfield
- Brookport
- Broughton
- Browning
- Browns
- Brownstown
- Brussels
- Bryant
- Buckingham
- Buckley
- Buckner
- Buda
- Buffalo
- Buffalo Grove
- Buffalo Prairie
- Bulpitt
- Buncombe
- Bunker Hill
- Burbank
- Bureau
- Burlington
- Burnside
- Burnt Prairie
- Burr Ridge
- Bushnell
- Butler
- Byron
- Cabery
- Cache
- Cahokia
- Cairo
- Caledonia
- Calhoun
- Calumet City
- Camargo
- Cambria
- Cambridge
- Camden
- Cameron
- Camp Grove
- Camp Point
- Campbell Hill
- Campus
- Canton
- Cantrall
- Capron
- Carbon
- Cliff
- Carbondale
- Carlinville
- Carlock
- Carlyle
- Carman
- Carmi
- Carol Stream
- Carpentersville
- Carrier Mills
- Carrollton
- Carterville
- Carthage
- Cary
- Casey
- Caseyville
- Castleton
- Catlin
- Cave in Rock
- Cedar Point
- Cedarville
- Centralia
- Cerro Gordo
- Chadwick
- Chambersburg
- Champaign
- Chana
- Chandlerville
- Channahon
- Chapin
- Charleston
- Chatham
- Chatsworth
- Chebanse
- Chenoa
- Cherry
- Cherry Valley
- Chester
- Chesterfield
- Chestnut
- Chicago
- Chicago Heights
- Chicago Ridge
- Chillicothe
- Chrisman
- Christopher
- Cicero
- Cisco
- Cisne
- Cissna Park
- Clare
- Claremont
- Clarendon Hills
- Clay City
- Clayton
- Claytonville
- Clifton
- Clinton
- Coal City
- Coal Valley
- Coatsburg
- Cobden
- Coello
- Coffeen
- Colchester
- Coleta
- Colfax
- Collinsville
- Collison
- Colona
- Colp
- Columbia
- Colusa
- Compton
- Concord
- Congerville
- Cooksville
- Cordova
- Cornell
- Cornland
- Cortland
- Cottage Hills
- Coulterville
- Country Club Hills
- Countryside
- Cowden
- Creal Springs
- Crescent City
- Crest Hill
- Creston
- Crestwood
- Crete
- Creve
- Coeur
- Cropsey
- Crossville
- Crystal Lake
- Cuba
- Cullom
- Cutler
- Cypress
- Dahinda
- Dahlgren
- Dakota
- Dale
- Dallas City
- Dalton City
- Dalzell
- Dana
- Danforth
- Danvers
- Danville
- Darien
- Davis
- Davis Junction
- Dawson
- De Kalb
- De Land
- De Soto
- Decatur
- Deer Creek
- Deer Grove
- Deer Park
- Deerfield
- Delavan
- Depue
- Des Plaines
- Dewey
- Dewitt
- Dieterich
- Divernon
- Dix
- Dixon
- Dolton
- Dongola
- Donnellson
- Donovan
- Dorsey
- Dover
- Dow
- Dowell
- Downers Grove
- Downs
- DuBois
- Dundas
- Dundee
- Dunfermline
- Dunlap
- Dupo
- DuQuoin
- Durand
- Dwight
- Eagarville
- Earlville
- East Alton
- East Carondelet
- East Dubuque
- East Dundee
- East Galesburg
- East Hazel Crest
- East Lynn
- East Moline
- East Peoria
- East Saint Louis
- Easton
- Eddyville
- Edelstein
- Edgewood
- Edinburg
- Edwards
- Edwardsville
- Effingham
- El Paso
- Elburn
- Elco
- Eldena
- Eldorado
- Eldred
- Eleroy
- Elgin
- Elizabeth
- Elizabethtown
- Elk Grove
- Elkhart
- Elkville
- Ellery
- Elliott
- Ellis Grove
- Ellisville
- Ellsworth
- Elmhurst
- Elmira
- Elmwood
- Elmwood Park
- Elsah
- Elvaston
- Elwin
- Elwood
- Emden
- Emington
- Emma
- Energy
- Enfield
- Eola
- Equality
- Erie
- Esmond
- Essex
- Eureka
- Evanston
- Evansville
- Evergreen Park
- Ewing
- Fairbury
- Fairfield
- Fairmount
- Fairview
- Fairview Heights
- Farina
- Farmer City
- Farmersville
- Farmington
- Fenton
- Ferris
- Fiatt
- Fidelity
- Fieldon
- Fillmore
- Findlay
- Fisher
- Fithian
- Flanagan
- Flat Rock
- Flora
- Flossmoor
- Foosland
- Forest City
- Forest Park
- Forrest
- Forreston
- Forsyth
- Fowler
- Fox Lake
- Fox River Grove
- Fox Valley
- Frankfort
- Frankfort Heights
- Franklin
- Franklin Grove
- Franklin Park
- Frederick
- Freeburg
- Freeman Spur
- Freeport
- Fulton
- Fults