Monongalia County, West Virginia

Monongalia County
Monongalia County Courthouse
Flag of Monongalia County
Official seal of Monongalia County
Map of West Virginia highlighting Monongalia County
Location within the U.S. state of West Virginia
Map of the United States highlighting West Virginia
West Virginia's location within the U.S.
Coordinates: 39°38′N 80°03′W / 39.63°N 80.05°W / 39.63; -80.05
Country United States
State West Virginia
FoundedOctober 9, 1776
Named forLatin name for the Monongahela River
SeatMorgantown
Largest cityMorgantown
Area
 • Total366 sq mi (950 km2)
 • Land360 sq mi (900 km2)
 • Water5.8 sq mi (15 km2)  1.6%
Population
 (2020)
 • Total105,822
 • Estimate 
(2021)
106,387 Increase
 • Density296/sq mi (114/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district1st
Websitewww.co.monongalia.wv.us
New Monongalia County Justice Center in 2017

Monongalia County, known locally as Mon County, is a county located in the U.S. state of West Virginia. As of the 2020 census, the population was 105,822,[1] making it West Virginia's third-most populous county. Its county seat is Morgantown.[2] The county was founded in 1776.[3] Monongalia County is included in the Morgantown, WV Metropolitan Statistical Area, and is the largest county in North-Central West Virginia. It is part of the Pittsburgh media market.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved August 11, 2021.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ West Virginia Counties Archived September 23, 2001, at the Wayback Machine. Wvculture.org. Retrieved on July 24, 2013.