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Monongalia County

county in West Virginia, United States

Key facts

Country: United States
State: West Virginia
Founded: October 9, 1776
Named after: Latin name for the Monongahela River
Seat: Morgantown
Largest city: Morgantown
Total: 366 sq mi (950 km )
Land: 360 sq mi (930 km )
Water: 5.8 sq mi (15 km ) 1.6%
Estimate 2025: 107,991
Density: 296/sq mi (114/km )
Time zone: UTC−5 ( Eastern )
Summer dst: UTC−4 ( EDT )
Congressional district: 2nd
Website: www .monongaliacounty .gov

via Wikipedia infobox

Article

New Monongalia County Justice Center in 2017

Monongalia County (/ˌmɒnɒnˈɡeɪliə/ mon-on-GAY-lee-ə), 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, making it West Virginia's third-most populous county. Its county seat is Morgantown. The county was founded in 1776. 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.