St. Clair County
District: 8
County Engineer: Norman Etling
Appointment Date: 8/28/2017
Address: 1415 North Belt West
Belleville, IL 62226
Telephone: (618) 233-1392
Fax: (618) 233-0996

County Background:
The first county in Illinois, originally established as a county of the Northwest Territory, St. Clair County was formed on April 27, 1790. It is named after Arthur St. Clair, a soldier of the French and Indian wars, a Major General during the Revolution, Commander-in-Chief of the Army after the Revolution, and Governor of the Territory of the U.S. northwest of the Ohio.

County Population: 270056
Land Area (Sq. Miles): 667
Assessed Valuation: 2060103290
State Highway Mileage: 367
County Highway Mileage: 241
Township Highway Mileage: 669
Municipal Highway Mileage: 1007
County Seat: Belleville
State House District(s): 108, 112, 113, 114, 116
State Senate District(s): 54, 56, 57, 58
U.S. Congressional Distict(s): 12

Past Engineers
D.O. Thomas12/6/191311/24/1929
B.C. McCurdy12/6/19294/4/1948
Ralph R. Bartelsmeyer5/3/194812/15/1953
Devereux H. Murphy2/6/19549/9/1968
James Contratto9/10/196812/31/1978
Clyde J. Erb12/19/19783/29/1985
William J. Polka3/25/19853/31/2001
Darrell I. Cates8/1/20015/31/2011
James Fields12/1/20116/9/2017