Mineral County, West Virginia

Mineral County, West Virginia
Location within the U.S. state of West Virginia
Coordinates: 39°25′N 78°56′W / 39.42°N 78.94°W / 39.42; -78.94
Country United States
State West Virginia
FoundedFebruary 1, 1866
SeatKeyser
Largest cityKeyser
Area
 • Total
329 sq mi (850 km2)
 • Land328 sq mi (850 km2)
 • Water1.4 sq mi (3.6 km2)  0.4%
Population
 (2020)
 • Total
26,938
 • Estimate 
(2021)
26,857
 • Density82.1/sq mi (31.7/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.mineralwv.org

Mineral County is a county in the U.S. state of West Virginia. It is part of the Cumberland metropolitan area, together with Cumberland, Maryland. As of the 2020 census, the population was 26,938. Its county seat is Keyser. The county was founded in 1866.