St. Clair County, Illinois

Saint Clair County is located in Illinois. About 264,052 people live here. Between 2010 and 2020, the population declined from 270,056 to 257,400. The area covers about 1,746.0 square kilometers. The region is divided into 26 Municipalities. The region was founded in 1790. Saint Clair County is county in Illinois, United States. More information at www.co.st-clair.il.us.

Year built	1790
Area	1746 km²
Located in	Illinois
Country	United States
Population	257400
Native name	St. Clair County

St. Clair County, Illinois

Washington Park

Adelaide Place Alton & Southern Archview MX Park Audubon Avenue Avon Place Baleydier Avenue Bunkum Road Caseyville Avenue

Amazon SMO2 American Bottom Road Archview Drive Cahokia Industrial Lead Cahokia Marine Cahokia Substation Conologue Industrial Lead Country Rock

20th Street 44th Street 46th Street A & S Market Alexander Place Alhambra Court Alta Sita Plaza Alton & Southern

Alcoa Drive Alorton Park Alorton Village Hall Alton & Southern Bentley Avenue Bergman Court Bond Avenue Brady Avenue

Adams Street Alton District (A&E Line) Amelia Cole Liddell Building Black Magic Bottoms Up Brooklyn Christian Faith Center Brooklyn City Hall Brooklyn Community Park

Abby Lane Aberdeen Place Abinger Place Adam Drive Addison Drive Alex Drive Alexa Drive Alhambra Court

Boeschenz Street Boeshenz Street Buttler Street Coal Mine Road CSX Illinois Subdivision Dew Street East Casad Street East Ellis Street

Abilene Lane Adams Street Arlington Court Autumn Oak Drive Baederwood Court Baedwerwood Court Bannister Lane Barker Street

54th Street Grill and Bar Abbington Court Acorn Lake Drive Adler Court Air Mobility Drive Ambridge Drive Antiock Court Antiquity Lane

1st North Street Buss Street Church Street Corvette Court Darmstadt Street East Main Street Edward Street Elaine Street

1248 814 White Oak Estates Ace Hardware Affirm Drive Agnes Drive Air Mobility Drive Aladar Drive Albion Court

Belsha Street Benton Street Bertholdt Street Brooke Lane Carr Drive Chester Street Church Street CN St. Louis Subdivision

Adderly Drive Adm Wendt Parkway Admiral Wendt Parkway Alcove Court Art gallery B and H Industrial Court Bach Drive Bardswell Drive

1 2 2nd Street 3 5 731 Mortar St 7th Street 9th Street

1st South Street Beverly Lane Bilderback Street Casey's Casey's General Store Cedar Street Commercial Street East 1st Street

3rd Street Church Street East Elm Street East Locust Street East Park Street East Pinckneyville Street East South Street Lake Drive

Acorn Way Aldantay Court Ames Dining Hall Anna Court Baker Hall Barnett Hall Bearcat Hall Belleville Street

Alamosa Drive AllsWell Drive Alton Street Anise Court Barber Lane Bauer Lakes Court Bay Pointe Drive Borrenpohl Court

Adams Avenue Community Park Walking Path Deli Star Corporation Fay Villa Court Faye Inn Fayetteville Community Park Fayetteville Fire Department Fayetteville Village Hall

Fairview Heights

1st Avenue 2nd Avenue 3rd Avenue Alice Lane Allen Lane American Freight Americana Circle Americas Best Value Inn Fairview Heights/St. Louis East

East Carondelet

Alex Street Casey Lane Davis Street Ferry Road East Carondelet Community Center East Carondelet Post Office East Carondelet Village Hall Eddy Street Elmer Senn Drive

5th Street Billiards 5th Street Billiards Bar & Grill Adams Avenue Adams Road Admiral Trost Drive Affordable Dental of Illinois American Legion Park Audry Drive

3rd Avenue Alabama Avenue Alton & Southern RR Alton & Southern RR East Track Ames Drive Anne Street Arkansas Street Ash Street

1st Street 5th Street 81st Street Acordi Drive All Pro Tees Barclay Lane Belleville Road Benson Pass Trail

7th Street A1 Adele Street Agnes Drive Airflite ALDI American Legion Post 784 Park Anabelle Circle

11th Street 12th Street South 15th Street 3 Wood Drive 5 Iron Court 7 Iron Court Abend Street Abraham Court

Saint Clair County – Facts

Population264.052

Websitehttps://www.co.st-clair.il.us/

Area1.746,0

County seatBelleville

Descriptioncounty in Illinois, United States

Population 2013266.955

Population 2015264.052

Population 2020257.400

Subregions26

Data source: Wikidata

Important and frequently searched streets

Bossler Lane Fourscore Drive

Public transit map Saint Clair County Legend

	Railway
	Bus
	Tram

Bicycle map Saint Clair County Legend

	Bike path
	Bike lane on roadway
	Cycling allowed on bus lane
	Bicycle street
	Open to cyclists
	Open to cyclists, good path
	Cycling prohibited
	Cobblestone

	Long-distance bike route	(depending on scale)
	Long-distance bike route	(depending on scale)

Pedestrian map Saint Clair County Legend

Path

	Long-distance hiking trail	(depending on scale)
	Long-distance hiking trail	(depending on scale)
	Pedestrians prohibited