Worth County, Missouri

Worth County
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 40°29′N 94°25′W / 40.48°N 94.42°W / 40.48; -94.42
Country United States
State Missouri
FoundedFebruary 8, 1861
Named afterWilliam J. Worth
SeatGrant City
Largest cityGrant City
Area
  Total
267 sq mi (690 km2)
  Land267 sq mi (690 km2)
  Water0.2 sq mi (0.5 km2)  0.08%
Population
 (2020)
  Total
1,973
  Estimate 
(2021)
1,983
  Density7.4/sq mi (2.9/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitewww.worthcounty.us

Worth County is a county located in the northwestern portion of the U.S. state of Missouri. As of the 2020 census, the population was 1,973. It is the smallest county in the state in population and, excluding the independent city of St. Louis, the smallest in total area. Its county seat is Grant City. The county was organized February 8, 1861, being split from Gentry County, and named for General William J. Worth, who served in the Mexican–American War. Worth County is also the youngest county in the state.