File:Clark_County_Courthouse_in_Marshall,_southwestern_angle.jpg · Wikimedia Commons · See Wikimedia Commons
Clark County
Sign in to saveAlso known as Clark County, Illinois, Clark County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Named after
- George Rogers Clark
- Seat
- Marshall
- Largest city
- Marshall
- Total
- 505 sq mi (1,310 km )
- Land
- 501 sq mi (1,300 km )
- Water
- 3.4 sq mi (8.8 km ) 0.7%
- Estimate 2025
- 15,114
- Density
- 30.8/sq mi (11.9/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 12th
- Website
- www .clarkcountyil .org
via Wikipedia infobox
Wikidata facts
- Population
- 15455
- Area
- 1308
- Official website
- www.clarkcountyil.org
- Image
- Clark County Courthouse in Marshall, southwestern angle.jpg
- Households
- 6726
Show 5 more facts
- Commons category
- Clark County, Illinois
- water as percent of area
- 0.7
- native label
- Clark County
- inception
- 1819-00-00
- per capita income
- 30649
Sources (8)
via Wikidata · CC0
~8 min read
Article
Clark County is a county located in the southeastern part of U.S. state of Illinois, along the Indiana state line. As of the 2020 census, the population was 15,455. Its county seat is Marshall. The county was named for George Rogers Clark, an officer who served in the American Revolution.
History
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Illinois
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