Shelby County, Missouri

Shelby County
Shelby County Courthouse in Shelbyville
Location within the U.S. state of Missouri
Missouri's location within the U.S.
Coordinates: 39°47′N 92°04′W / 39.79°N 92.07°W / 39.79; -92.07
Country United States
State Missouri
FoundedJanuary 2, 1835
Named afterIsaac Shelby
SeatShelbyville
Largest cityShelbina
Area
  Total
502 sq mi (1,300 km2)
  Land501 sq mi (1,300 km2)
  Water1.5 sq mi (4 km2)  0.3%
Population
 (2020)
  Total
6,103
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district6th

Shelby County is a county located in the northeastern portion of the U.S. state of Missouri. As of the 2020 census, the population was 6,103. Its county seat is Shelbyville. The county was established on January 2, 1835, and named for Governor Isaac Shelby of Kentucky.