Monroe County, West Virginia

Monroe County
Location of Monroe County in West Virginia
West Virginia's location within the U.S.
Country United States
State West Virginia
FoundedJanuary 14, 1799
Named afterJames Monroe
SeatUnion
Largest townPeterstown
Government
 • County Commission PresidentKevin Galford
 • County CommissionKevin Mann
Melvin Young
Area
 • Total
474 sq mi (1,230 km2)
 • Land473 sq mi (1,230 km2)
 • Water0.9 sq mi (2.3 km2)  0.2%
 • Rank20th
Population
 (2020)
 • Total
12,376
 • Estimate 
(2021)
12,382
 • Rank34th
 • Density26.2/sq mi (10.1/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Area codes304, 681
Congressional district1st
Senate district10th
House of Delegates district40th, 47th
Websitehttps://www.monroecountywv.gov/

Monroe County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 12,376. Its county seat is Union.

Monroe County was the home of Andrew Summers Rowan, a soldier in the Spanish–American War commemorated in Elbert Hubbard's essay "A Message to Garcia."

In 1928 the Jones Diamond was found lying on the ground here by two men pitching horseshoes. It is the largest alluvial diamond ever found in North America.