Clark County, Missouri

Clark County
Clark County Courthouse in Kahoka
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 40°25′N 91°44′W / 40.41°N 91.74°W / 40.41; -91.74
Country United States
State Missouri
FoundedDecember 16, 1836
Named afterWilliam Clark
SeatKahoka
Largest cityKahoka
Area
  Total
512 sq mi (1,330 km2)
  Land505 sq mi (1,310 km2)
  Water7.1 sq mi (18 km2)  1.4%
Population
 (2020)
  Total
6,634
  Density13/sq mi (5.0/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitehttps://clarkcountymo.org/

Clark County is a county located in the U.S. state of Missouri. As of the 2020 census, its population was 6,634. Its county seat is Kahoka. The county was organized December 16, 1836, and named for William Clark, leader of the Lewis and Clark Expedition and later Governor of Missouri Territory.

Clark County is part of the Fort MadisonKeokuk, IA-IL-MO Micropolitan Statistical Area.