Key facts
- Country
- United States
- State
- Arkansas
- Founded
- November 29, 1842
- Named after
- Ouachita River
- Seat
- Camden
- Largest city
- Camden
- Total
- 740 sq mi (1,900 km )
- Land
- 733 sq mi (1,900 km )
- Water
- 7.0 sq mi (18 km ) 0.9%
- Estimate 2025
- 21,731
- Density
- 30.9/sq mi (11.9/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Ouachita County (/ˈwɑːʃɪtɑː/ WAH-shih-tah) is a county located in the south central part of the U.S. state of Arkansas. As of the 2020 census, the population was 22,650.
The county seat is Camden. Ouachita County is part of the Camden, AR Micropolitan Statistical Area. Formed on November 29, 1842, the county is named for the Ouachita River.