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Illinois cities, towns and communities

Find an official community by name and geography type. Annual population estimates and ACS survey estimates describe different dates and remain separate.

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Search Illinois

Search official Census names across the 50 states, Washington, DC and Puerto Rico. Each result identifies the type of area.

Browse the state directories, or use interactive name search when it is available.

    Browse by state or territory · What we include

    Browse A–Z. Annual estimates and survey estimates appear in separate, dated columns.

    These are overlapping jurisdictions and communities. Do not add their populations together. A directory count describes this selection policy.

    2,886 entries in this view. The initial list shows up to 50 entries per section.

    Cities, towns and unincorporated communities (1,461)

    Illinois cities, towns and communities: Cities, towns and unincorporated communities. Annual PEP and ACS survey estimates are separate measures.
    NameTypeJuly 1, 2025 population2020–2024 ACS population
    Abingdon cityKnox CountyCity2,8323,443±394
    Adair CDPCensus-designated placeNot available215±125
    Adams CDPCensus-designated placeNot available106±115
    Addieville villageWashington CountyVillage256294±87
    Addison villageDuPage CountyVillage35,75835,489±49
    Adeline villageOgle CountyVillage7282±34
    Albany villageWhiteside CountyVillage838776±163
    Albers villageClinton CountyVillage1,1141,280±230
    Albion cityEdwards CountyCity1,8432,001±156
    Alden CDPCensus-designated placeNot available48±34
    Aledo cityMercer CountyCity3,5063,668±154
    Alexander CDPCensus-designated placeNot available239±146
    Alexis villageMercer County; Warren CountyVillage755814±173
    Algonquin villageKane County; McHenry CountyVillage30,82430,067±51
    Alhambra villageMadison CountyVillage613658±103
    Allendale villageWabash CountyVillage437499±164
    Allenville villageMoultrie CountyVillage129126±51
    Allerton villageChampaign County; Vermilion CountyVillage240205±51
    Alma villageMarion CountyVillage302285±80
    Alpha villageHenry CountyVillage653831±171
    Alsey villageScott CountyVillage185258±93
    Alsip villageCook CountyVillage18,48318,583±42
    Altamont cityEffingham CountyCity2,1862,282±271
    Alto Pass villageUnion CountyVillage300343±151
    Alton cityMadison CountyCity25,01325,279±33
    Altona villageKnox CountyVillage449498±163
    Alvan (Alvin) villageVermilion CountyVillage215230±86
    Amboy cityLee CountyCity2,2062,384±174
    Anchor villageMcLean CountyVillage155206±117
    Andalusia villageRock Island CountyVillage1,1751,021±225
    Andover villageHenry CountyVillage536434±121
    Andres CDPCensus-designated placeNot available41±47
    Anna cityUnion CountyCity4,0964,196±14
    Annapolis CDPCensus-designated placeNot available54±53
    Annawan townBureau County; Henry CountyTown858865±123
    Antioch villageLake CountyVillage15,00014,859±41
    Apple Canyon Lake CDPCensus-designated placeNot available741±160
    Apple River villageJo Daviess CountyVillage333290±90
    Arbury Hills CDPCensus-designated placeNot available1,519±607
    Arcola cityDouglas CountyCity2,9282,892±158
    Arenzville villageCass CountyVillage355342±74
    Argenta villageMacon CountyVillage872879±121
    Argyle CDPCensus-designated placeNot available324±159
    Arlington Heights villageCook CountyVillage76,21676,005±350
    Arlington villageBureau CountyVillage163157±37
    Armington villageTazewell CountyVillage303343±117
    Aroma Park villageKankakee CountyVillage647655±170
    Arrowsmith villageMcLean CountyVillage269320±119
    Arthur villageDouglas County; Moultrie CountyVillage2,2612,083±382
    Ashkum villageIroquois CountyVillage718918±151

    Other local governments (1,425)

    These functioning local governments remain browsable while we review whether they belong in the municipal community comparison. Their separately named annual township view has its own inclusion policy.

    Illinois cities, towns and communities: Other local governments. Annual PEP and ACS survey estimates are separate measures.
    NameTypeJuly 1, 2025 population2020–2024 ACS population
    Abington townshipMercer CountyTownship363433±113
    Adams townshipLaSalle CountyTownship1,5911,916±467
    Addison townshipDuPage CountyTownship87,84187,658±40
    Aetna townshipLogan CountyTownship451641±217
    Afton townshipDeKalb CountyTownship905938±253
    Akron townshipPeoria CountyTownship9991,136±261
    Alba townshipHenry CountyTownship167121±85
    Albany townshipWhiteside CountyTownship994823±169
    Alden townshipMcHenry CountyTownship1,2551,502±391
    Algonquin townshipMcHenry CountyTownship89,43588,108±40
    Alhambra townshipMadison CountyTownship1,5831,700±241
    Allen townshipLaSalle CountyTownship505407±95
    Allens Grove townshipMason CountyTownship434395±98
    Allin townshipMcLean CountyTownship839812±190
    Allison townshipLawrence CountyTownship253502±222
    Alma townshipMarion CountyTownship760793±219
    Alto townshipLee CountyTownship517608±225
    Alton townshipMadison CountyTownship25,01325,279±33
    Amboy townshipLee CountyTownship2,7452,795±17
    Amity townshipLivingston CountyTownship746908±211
    Anchor townshipMcLean CountyTownship280251±123
    Andalusia townshipRock Island CountyTownship2,2572,318±339
    Anderson townshipClark CountyTownship420414±229
    Andover townshipHenry CountyTownship860606±157
    Annawan townshipHenry CountyTownship1,0891,084±129
    Antioch townshipLake CountyTownship27,76327,680±35
    Appanoose townshipHancock CountyTownship414370±124
    Apple River townshipJo Daviess CountyTownship435323±90
    Arcola townshipDouglas CountyTownship3,2903,263±22
    Arenzville townshipCass CountyTownship726645±147
    Arispie townshipBureau CountyTownship733894±225
    Aroma townshipKankakee CountyTownship4,8274,895±27
    Arrington townshipWayne CountyTownship306366±126
    Arrowsmith townshipMcLean CountyTownship443597±170
    Artesia townshipIroquois CountyTownship792746±180
    Asbury townshipGallatin CountyTownship93375±240
    Ash Grove townshipIroquois CountyTownship634615±129
    Ash Grove townshipShelby CountyTownship414626±217
    Ashkum townshipIroquois CountyTownship1,3811,438±195
    Ashland townshipCass CountyTownship1,2301,005±175
    Ashley townshipWashington CountyTownship744751±176
    Ashmore townshipColes CountyTownship1,1171,255±266
    Ashton townshipLee CountyTownship1,1201,133±169
    Assumption townshipChristian CountyTownship1,2841,401±267
    Astoria townshipFulton CountyTownship1,1881,158±195
    Athensville townshipGreene CountyTownship26693±40
    Atkinson townshipHenry CountyTownship1,1991,070±208
    Atlanta townshipLogan CountyTownship1,8571,846±352
    Atlas townshipPike CountyTownship438361±125
    Auburn townshipClark CountyTownship230469±219

    Download the complete directory CSV. Geography, source periods and missing-value meanings are documented in the field dictionary.

    Sources: U.S. Census Bureau, ACS 2020–2024 five-year estimates on the 2024 geography; Population Estimates Program Vintage 2025, July 1, 2025. Geographic classifications retain their own source vintage. Missing data stays unavailable.