Tillman County, Oklahoma

Tillman County
Tillman County Courthouse in Frederick, March 2025
Location within the U.S. state of Oklahoma
Oklahoma's location within the U.S.
Coordinates: 34°23′N 98°55′W / 34.38°N 98.92°W / 34.38; -98.92
Country United States
State Oklahoma
Founded1907
SeatFrederick
Largest cityFrederick
Area
  Total
879 sq mi (2,280 km2)
  Land871 sq mi (2,260 km2)
  Water8.1 sq mi (21 km2)  0.9%
Population
 (2020)
  Total
6,968
  Density7.9/sq mi (3.1/km2)
Congressional district4th
Websitewww.tillmancounty.org

Tillman County is a county located in the southwestern part of Oklahoma, United States. As of the 2020 census, the population was 6,968. The county seat is Frederick.