Johnson County | |
|---|---|
 Courthouse in Clarksville | |
 Location within the U.S. state of Arkansas | |
 Arkansas's location within the U.S. | |
| Coordinates: 35°33′00″N 93°28′00″W / 35.55°N 93.466666666667°W | |
| Country |  United States |
| State |  Arkansas |
| Founded | November 16, 1833 |
| Seat | Clarksville |
| Largest city | Clarksville |
| Area | |
| • Total | 683 sq mi (1,770 km2) |
| • Land | 660 sq mi (1,700 km2) |
| • Water | 23 sq mi (60 km2) 3.4% |
| Population (2020) | |
| • Total | 25,749 |
| • Density | 38/sq mi (15/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Website | johnsoncounty |
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 was founded on November 16, 1833 and named for Benjamin Johnson, a Territorial Judge.
