Overview
St. Clair County is county in Illinois, United States.
It is located in Illinois, United States.
The population is about 257,400 (2020).
It covers about 1,746 square kilometre.
Also known as: St. Clair County, Illinois, St. Clair County, IL, Saint Clair County
- Wikidata entry Q486507
- Wikipedia (DE) Wikipedia (DE)
- Wikipedia (EN) Wikipedia (EN)
- Official website www.co.st-clair.il.us
- Commons category St. Clair County, Illinois
Media
Facts
- Type county of Illinois
- Country United States
- Located in Illinois
- Population 257,400 (2020)
- Area 1,746 square kilometre
- Inception 1790-04-27
second-order administrative division in United States (NA)
Basic Data
- Name Saint Clair County
- Admin Code US.IL.163
- Type second-order administrative division (ADM2)
- a subdivision of a first-order administrative division
Geography
-
Coordinates
38° 28' 13" N, 89° 55' 42" W
38.47031, -89.92841 - Elevation 151 m (DEM: 152 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Population 257,400
- Currency Dollar (USD)
- Phone Prefix +1
- Internet TLD ..us
ZIP codes
- 62059 Lovejoy
- 62071 National Stock Yards
- 62201 East Saint Louis
- 62202 East Saint Louis
- 62203 East Saint Louis
- 62204 East Saint Louis
- 62205 East Saint Louis
- 62206 East Saint Louis
- 62207 East Saint Louis
- 62208 Fairview Heights
- 62220 Belleville
- 62221 Belleville
- 62222 Belleville
- 62223 Belleville
- 62225 Scott Air Force Base
- 62226 Belleville
- 62232 Caseyville
- 62239 Dupo
- 62240 East Carondelet
- 62243 Freeburg
- 62254 Lebanon
- 62255 Lenzburg
- 62257 Marissa
- 62258 Mascoutah
- 62260 Millstadt
- 62264 New Athens
- 62269 O Fallon
- 62282 Saint Libory
- 62285 Smithton
- 62289 Summerfield
Subdivisions
- City of Collinsville
- Collinsville
- Columbia
- City of Columbia
- City of Madison
- Madison
- Village of New Baden
- New Baden
- Village of Fairmont City
- Fairmont City
- Village of Hecker
- State Park Place
- Township of Belleville
- Township of Canteen
- Township of Caseyville
- Township of Centreville
- Township of Engelmann
- Township of Fayetteville
- Township of Freeburg
- Township of Lebanon
- Township of Lenzburg
- Township of Marissa
- Township of Mascoutah
- Township of Millstadt
- Township of New Athens
- Township of O'Fallon
- Township of Prairie Du Long
- Township of Saint Clair
- Township of Shiloh Valley
- Township of Smithton
- Township of Stites
- Township of Stookey
- Township of Sugar Loaf
Places in St. Clair
- Belleville
- O'Fallon
- East Saint Louis
- Fairview Heights
- Cahokia
- Swansea
- Shiloh
- Mascoutah
- Centreville
- Lebanon
- Freeburg
- Caseyville
- Washington Park
- Dupo
- Millstadt
- Smithton
- Scott Air Force Base
- Fairmont City
- New Athens
- Alorton
- Marissa
- Brooklyn
- Saint Libory
- Lenzburg
- East Carondelet
- Summerfield
- Fayetteville
- Sauget
- Darmstadt
- Floraville
- National City
- Paderborn
- Rentchler
- Avery Hill
- Birkner
- Bixby
- Bluffside
- Bohleysville
- Briar Hill
- Bunkum
- Capitol Oaks
- Carbon
- Centerville Station
- Crest Hill
- Crossroads
- Darmstadt (historical)
- Douglas
- Dutch Hollow
- Edgemont
- Exermont
Alternate Names
en
Saint Clair
fr
Comté de Saint Clair
wkdt
Q486507