Johnson County
Also known as Johnson County, Arkansas, Johnson County, AR
county in Arkansas, United States
Key facts
- Country
- United States
- State
- Arkansas
- Founded
- November 16, 1833
- Seat
- Clarksville
- Largest city
- Clarksville
- Total
- 683 sq mi (1,770 km )
- Land
- 660 sq mi (1,700 km )
- Water
- 23 sq mi (60 km ) 3.4%
- Estimate 2025
- 26,225
- Density
- 39/sq mi (15/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 4th
Article
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.
Geography