Pettis County, Missouri

Pettis County
The Pettis County Courthouse in Sedalia
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 38°44′N 93°17′W / 38.73°N 93.28°W / 38.73; -93.28
Country United States
State Missouri
FoundedJanuary 24, 1833
Named afterSpencer Darwin Pettis
SeatSedalia
Largest citySedalia
Area
  Total
686 sq mi (1,780 km2)
  Land682 sq mi (1,770 km2)
  Water4.0 sq mi (10 km2)  0.6%
Population
 (2020)
  Total
42,980
  Density63/sq mi (24/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.pettiscomo.com

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.