Calhoun County, Arkansas

Calhoun County
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
Coordinates: 33°34′15″N 92°31′25″W / 33.570833333333°N 92.523611111111°W / 33.570833333333; -92.523611111111
Country United States
State Arkansas
FoundedDecember 6, 1850
Named afterJohn C. Calhoun
SeatHampton
Largest cityHampton
Area
  Total
632 sq mi (1,640 km2)
  Land629 sq mi (1,630 km2)
  Water3.8 sq mi (10 km2)  0.6%
Population
 (2020)
  Total
4,739
  Estimate 
(2023)
4,641
  Density7.5/sq mi (2.9/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitecalhouncounty.arkansas.gov

Calhoun County is a county located in the south central part of the U.S. state of Arkansas. As of the 2020 census, the population was 4,739, making it the least populous county in Arkansas. The county seat is Hampton. Calhoun County is Arkansas's 55th county, formed on December 6, 1850, and named for John C. Calhoun, a Vice President of the United States.

The county is part of the Camden, AR Micropolitan Statistical Area.