Pettis County

Also known as Pettis County, Missouri, Pettis County, MO

county in Missouri, United States

Key facts

Country: United States
State: Missouri
Founded: January 24, 1833
Named after: Spencer Darwin Pettis
Seat: Sedalia
Largest city: Sedalia
Total: 686 sq mi (1,780 km )
Land: 682 sq mi (1,770 km )
Water: 4.0 sq mi (10 km ) 0.6%
Estimate 2025: 44,254
Density: 63.0/sq mi (24.3/km )
Time zone: UTC−6 ( Central )
Summer dst: UTC−5 ( CDT )

Article

Pettis County is a county located in west central U.S. state of Missouri. As of the 2020 census, the population was 42,980. Its county seat is Sedalia. The county was organized on January 24, 1833, and named after former U.S. Representative Spencer Darwin Pettis. Pettis County comprises the Sedalia, MO Micropolitan Statistical Area. The county is home to the site of the Missouri State Fair in Sedalia.

Geography