St. Clair County, Illinois - Illinois Attorney Directory

Address:	County Courthouse
	P.O. Box 230
	Belleville, Illinois 62565-0230
County Seat:	Belleville
Phone:	217-774-4421
Website:	www.co.st-clair.il.us
Established:	1790
Area:	664 sq mi

St. Clair County, Illinois Communities:

Alorton - Village

Belleville - City

Brooklyn - Village

Cahokia - Village

Canteen - Township

Caseyville - Village

Centreville - City

Dupo - Village

East Carondelet - Village

East St. Louis - City

Engelmann - Township

Fairmont City - Village

Fairview Heights - City

Fayetteville - Village

Freeburg - Village

Lebanon - City

Lenzburg - Village

Marissa - Village

Mascoutah - City

Millstadt - Village

National City -

New Athens - Village

O'Fallon - City

Prairie Du Long - Township

Sauget - Village

Scott AFB - CDP

Shiloh - Village

Shiloh Valley - Township

Smithton - Village

St. Clair - Township

St. Libory - Village

Stites - Township

Stookey - Township

Sugar Loaf - Township

Summerfield - Village

Swansea - Village

Washington Park - Village

Total Communities in St. Clair County, Illinois: 37

Population:

264,805

263,102

262,426

261,059

2015 *

2016 *

2017 *

2018 *

270,056

270,006

268,646

266,805

265,922

2010

2011 *

2012 *

2013 *

2014 *

* (U.S. Census Estimate)

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