Johnson County, Arkansas

Johnson County, Arkansas
Courthouse in Clarksville
Location within the U.S. state of Arkansas
Coordinates: 35°33′00″N 93°28′00″W / 35.55°N 93.466666666667°W / 35.55; -93.466666666667
Country United States
State Arkansas
FoundedNovember 16, 1833
SeatClarksville
Largest cityClarksville
Area
 • Total
683 sq mi (1,770 km2)
 • Land660 sq mi (1,700 km2)
 • Water23 sq mi (60 km2)  3.4%
Population
 (2020)
 • Total
25,749
 • Estimate 
(2024)
26,172
 • Density39/sq mi (15/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitejohnsoncounty.arkansas.gov

Johnson County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 25,749. The county seat is Clarksville. Johnson County is Arkansas's 30th county, formed on November 16, 1833, from a portion of Pope County and named for Benjamin Johnson, a Territorial Judge. It is an alcohol prohibition or dry county.