Henry County, Missouri

Henry County, Missouri
Henry County Courthouse in Clinton
Location within the U.S. state of Missouri
Coordinates: 38°23′N 93°47′W / 38.39°N 93.79°W / 38.39; -93.79
Country United States
State Missouri
FoundedDecember 13, 1834
Named afterPatrick Henry
SeatClinton
Largest cityClinton
Area
 • Total
732 sq mi (1,900 km2)
 • Land697 sq mi (1,810 km2)
 • Water35 sq mi (91 km2)  4.8%
Population
 (2020)
 • Total
21,946
 • Density31.5/sq mi (12.2/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.henrycomo.com

Henry County is a county located in the western portion of the U.S. state of Missouri. As of the 2020 census, the population was 21,946. Its county seat is Clinton. The county was organized December 13, 1834, as Rives County but was renamed in 1841 for Revolutionary War patriot Patrick Henry. The county originally had been named after William Cabell Rives, who was then serving as a U.S. Senator from Virginia. However, Rives lost popularity in Missouri after he joined the Whig Party.