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Clark County, Illinois
County in Illinois, United States / From Wikipedia, the free encyclopedia
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.[1] Its county seat is Marshall.[2] The county was named for George Rogers Clark, an officer who served in the American Revolution.[3]
Quick Facts Country, State ...
Clark County | |
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![]() Clark County Courthouse in Marshall | |
![]() Location within the U.S. state of Illinois | |
![]() Illinois's location within the U.S. | |
Coordinates: 39°20′N 87°47′W | |
Country | ![]() |
State | ![]() |
Founded | 1819 |
Named for | George Rogers Clark |
Seat | Marshall |
Largest city | Marshall |
Area | |
• Total | 505 sq mi (1,310 km2) |
• Land | 501 sq mi (1,300 km2) |
• Water | 3.4 sq mi (9 km2) 0.7% |
Population (2020) | |
• Total | 15,455 |
• Density | 31/sq mi (12/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 12th |
Website | www |
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