File:County_Courthouse,_Belleville,_IL.jpg · Wikimedia Commons · See Wikimedia Commons
شهرستان سنت کلیر، ایلینوی
Sign in to saveAlso known as St. Clair County, Illinois, St. Clair County, IL, Saint Clair County
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Named after
- Arthur St. Clair
- Seat
- Belleville
- Largest city
- Belleville
- Total
- 674 sq mi (1,750 km )
- Land
- 658 sq mi (1,700 km )
- Water
- 16 sq mi (41 km ) 2.4%
- Estimate 2025
- 250,708
- Density
- 391/sq mi (151/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional districts
- 12th , 13th
- Website
- www .co .st-clair .il .us
via Wikipedia infobox
Wikidata facts
- Named after
- Arthur St. Clair
- Country
- United States
- Located in
- Illinois
- Capital
- Belleville
- Population
- 257400
- Area
- 1746
- Shares border with
- St. Louis County
- Official website
- www.co.st-clair.il.us
- Image
- Downtown Belleville Illinois Courthouse.jpg
- Households
- 104631
Show 9 more facts
- different from
- St. Clair County
- Commons category
- St. Clair County, Illinois
- topic's main category
- Category:St. Clair County, Illinois
- inception
- 1790-04-27
- category for people who died here
- Category:Deaths in St. Clair County, Illinois
- category of associated people
- Category:People from St. Clair County, Illinois
- water as percent of area
- 2.4
- native label
- St. Clair County
- per capita income
- 31511
Sources (8)
via Wikidata · CC0