Moore County, Texas

Moore County
Moore County Courthouse in Dumas
Location within the U.S. state of Texas
Texas's location within the U.S.
Coordinates: 35°50′N 101°53′W / 35.84°N 101.89°W / 35.84; -101.89
Country United States
State Texas
Founded1892
Named afterEdwin Ward Moore
SeatDumas
Largest cityDumas
Government
  County JudgeRowdy Rhoades
Area
  Total
910 sq mi (2,400 km2)
  Land900 sq mi (2,000 km2)
  Water9.9 sq mi (26 km2)  1.1%
Population
 (2020)
  Total
21,358
  Density23/sq mi (9/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district13th
Websitewww.co.moore.tx.us

Moore County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 21,358. The county seat is Dumas. The county was created in 1876 and organized in 1892. It is named for Edwin Ward Moore, the commander of the Texas Navy. The Dumas micropolitan statistical area includes all of Moore County.

Moore County history is highlighted in the Window on the Plains Museum in Dumas.