Barton County
Also known as Barton County, Missouri, Barton County, MO
county in Missouri, United States
Key facts
- Country
- United States
- State
- Missouri
- Founded
- December 12, 1855
- Named after
- David Barton
- Seat
- Lamar
- Largest city
- Lamar
- Total
- 597 sq mi (1,550 km )
- Land
- 592 sq mi (1,530 km )
- Water
- 4.8 sq mi (12 km ) 0.8%
- Estimate 2025
- 11,795
- Density
- 19.8/sq mi (7.6/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
Article
Barton County is a county located in the southwestern part of the U.S. state of Missouri. As of the 2020 census, the population was 11,637. Its county seat is Lamar. The county was organized in 1855 and named after U.S. Senator David Barton from Missouri.
President Harry S. Truman was born in Barton County in 1884. The female bandit, Little Britches, was born in Barton County in 1879.