List of census-designated places in Illinois

See also: List of municipalities in Illinois, List of Illinois townships, List of precincts in Illinois, and List of unincorporated communities in Illinois

This is a list of census-designated places in the U.S. state of Illinois, by county. Census-designated places (CDPs) are unincorporated communities lacking elected municipal officers and boundaries with legal status. ^[1] The term "census designated place" has been used as an official classification by the U.S. Census Bureau since 1980. ^[2] Prior to that, select unincorporated communities were surveyed in the U.S. Census. ^[2]

Census designated places in Illinois

CDP	County	Location of County	Population (2020)	Population (2010)	Population (2000)	Population (1990)	Population (1980)	Notes
Adair	McDonough		212	210
Adams	Adams		75
Alden	McHenry		102	x	x	x	x
Alexander	Morgan		155	x	x	x	x
Andres	Will		43	x	x	x	x
Annapolis	Crawford		106
Apple Canyon Lake	Jo Daviess		574	558
Arbury Hills	Will		1,132	x	x	x	x
Argyle	Boone and Winnebago		332	x	x	x	x
Baileyville	Ogle		187	x	x	x	x
Barstow	Rock Island		89	x	x	x	x
Beason	Logan
Beverly	Adams		72	x	x	x	x
Big Foot Prairie	McHenry		65	x	x	x	x
Blairsville	Williamson			x	x	x	x
Bllomfield	Adams		32	x	x	x	x
Bonnie Brae	Will		1,287	x	x	x	x
Boody	Macon		232	276
Boulder Hill	Kendall		8,394	8,108	8,169
Buffalo Prairie	Rock Island		64	x	x	x	x
Burton	Adams		103	x	x	x	x
Burton's Bridge	McHenry		226	x	x	x	x
Cable	Mercer		117	x	x	x	x
Cameron	Warren		188	x	x	x	x
Campbell's Island	Rock Island		275	x	x	x	x
Candlewick Lake	Boone		5,115
Carman	Henderson		67	x	x	x	x
Channel Lake	Lake		1,581	1,664	1,785
Chemung	McHenry		276	308
Chestnut	Logan		220	246
Como	Whiteside		528
Coral	McHenry		16	x	x	x	x
Cornland	Logan		89
Coyne Center	Rock Island		877	827	906
Crab Orchard	Williamson		356
Crystal Lawns	Will		1,830	x	x	x	x
Custer Park	Will		112	x	x	x	x
Darmstadt	St Clair		49
Dayton	LaSalle		528	537
Dewey	Champaign		105	x	x	x	x
Dundas	Richland		146	x	x	x	x
Eagle Lake	Will		76	x	x	x	x
East Lynn	Vermilion		90	x	x	x	x
Edgington	Rock Island		391	x	x	x	x
Eliza	Mercer		25	x	x	x	x
Elwin	Macon		119	x	x	x	x
Fairmont	Will		2,389	2,459	2,563
Fall Creek	Adams		31	x	x	x	x
Floraville	St Clair		49
Forest Lake	Lake		1,784	1,659	1,530
Fowler	Adams		154	x	x	x	x
Fox Lake Hills	Lake		2,684	2,591	2,561
Frankfort Square	Will		8,968	9,276	7,766
Franklinville	McHenry		38	x	x	x	x
Gages Lake	Lake		10,637	10,198	10,415
Galt	Whiteside		193	x	x	x	x
Garden Prairie	Boone		300
Gilson	Knox		156
Goodenow	Will		60	x	x	x	x
Goofy Ridge	Mason		210	350
Grand Detour	Ogle		187	x	x	x	x
Grandwood Park	Lake		5,297	5,202	4,521
Hamlet	Mercer		21	x	x	x	x
Harding	LaSalle		133	x	x	x	x
Harmony	McHenry		20	x	x	x	x
Harrison	Jackson		895	970
Hartland	McHenry		157	x	x	x	x
Heritage Lake	Tazewell		1,523
Holcomb	Ogle		149	x	x	x	x
Holiday Shores	Madison		2,840	2,882
Illinois City	Rock Island		391	x	x	x	x
Ingalls Park	Will		3,460
Janesville	Coles and Cumberland		76	x	x	x	x
Joslin	Rock Island		85	x	x	x	x
Kings	Ogle		146	x	x	x	x
Kingston	Adams		20
Knollwood	Lake		2,121	1,747	x	x	x
La Clede	Fayette		113	x	x	x	x
LaPlace	Piatt		239
Lake Camelot	Peoria		1,798	1.686
Lake Carroll	Carroll		852	x	x	x	x
Lake Catherine	Lake		1,279	1,379	1,490
Lake City	Moultrie		69	x	x	x	x
Lake Holiday	LaSalle		5,687
Lake Petersburg	Menard		740	719
Lake Summerset	Stephenson and Winnebago		2,342
Lake of the Woods	Champaign		2,403	2,912	3,026
Lakewood	Shelby		4,283	3,811	2,337
Lakewood Shores	Will		665	1,347
Lane	DeWitt		95	x	x	x	x
Langleyville	Christian		391	432
Lawrence	McHenry		220	x	x	x	x
Lee Center	Lee		146	x	x	x	x
Literberry	Morgan		71	x	x	x	x
Lockport Heights	Will		749	x	x	x	x
Long Lake	Lake		3,663	3,515	3,356
Lorenzo	Will		26	x	x	x	x
Lost Nation	Ogle		714	708
Lowpoint	Woodford		148	x	x	x	x
Lynn Center	Henry		148	x	x	x	x
Marcelline	Adams		20	x	x	x	x
Marley	Will		128	x	x	x	x
Merritt	Scott		48	x	x	x	x
Meyer	Adams			x	x	x	x
Millersburg	Mercer		54	x	x	x	x
Mitchell	Madison		1,217
Moro	Madison		397	x	x	x	x
Mossville	Peoria			x	x	x	x
Mulkeytown	Franklin		162	175
Nachusa	Lee		137	x	x	x	x
Nekoma	Henry		23	x	x	x	x
Niota	Hancock		114	x	x	x	x
Oak Run	Knox		721	547
Olive Branch	Alexander		650	864
Olivet	Vermilion
Opdyke	Jefferson		236	254
Ophiem	Henry		123	x	x	x	x
Osco	Henry		108	x	x	x	x
Oxville	Scott		24	x	x	x	x
Paderborn	St Clair		35
Paloma	Adams			x	x	x	x
Penfield	Champaign		151	193
Pistakee Highlands	McHenry		3,237	3,454	3,812
Plum Valley	Will		632	x	x	x	x
Prairietown	Madison		153
Preemption	Mercer		254	x	x	x	x
Prestbury	Kane		1,657	1,722
Preston Heights	Will		2,898	2,575	2,527
Rentchler	St Clair		45
Rest Haven	Will		502	x	x	x	x
Richfield	Adams		26
Ridgefield	McHenry		210	x	x	x	x
Ridgewood	Will		2,956	x	x	x	x
Riggston	Scott		14	x	x	x	x
Riley	McHenry		10	x	x	x	x
Ritchie	Will		190	x	x	x	x
Rock Island Arsenal	Rock Island		182	149	145
Rockport	Pike			x	x	x	x
Rome	Peoria				1,776
Rosewood Heights	Madison		3,971
Scott AFB	St Clair				2,707
Serena	LaSalle		129	x	x	x	x
Seymour	Champaign		317	303
Shirley	McLean		135	x	x	x	x
Smithville	Peoria		157	x	x	x	x
Solon Mills	McHenry		133	x	x	x	x
Sunnyland	Will		822	x	x	x	x
Swedona	Mercer		109	x	x	x	x
Taylor Ridge	Rock Island		141	x	x	x
The Galena Territory	Jo Daviess		1,500	1,058
Trilla	Coles		156	x	x	x	x
Triumph	LaSalle		100	x	x	x	x
Trivoli	Peoria		385	x	x	x	x
Twin Grove	McLean		1,524	1,564
Unity	Knox		98	x	x	x	x
Venetian Village	Lake		2,761	2,826	3,802
Wedron	LaSalle		140	x	x	x	x
West Liberty	Jasper		96
West Union	Clark		271	288
West York	Crawford		74
Westervelt	Shelby		131	128	130
Westlake Village	Winnebago		1,493	x	x	x	x
White Heath	Piatt			290
Whiteash	Williamson		279
Willow Lake	Stephenson		1,026	x	x	x	x
Willowbrook	Will		1,346	2,076	2,130
Wilton Center	Will		122	x	x	x	x

See also

• List of municipalities in Illinois
• List of Illinois townships
• List of precincts in Illinois
• List of unincorporated communities in Illinois

References

1. "Geographic Terms and Concepts– Place". United States Census Bureau. United States Department of Commerce. Retrieved February 24, 2014.
2. "Chapter 9 – Places" in Geographic Areas Reference Manual (GARM), United States Census Bureau. Accessed November 19, 2016.

• "State of Illinois Census Designated Places - Current/ACS25 - Data as of January 1, 2025". United States Census Bureau . January 1, 2025.