Monongalia County
| Use attributes for filter ! | |
| Area | 9479 |
|---|---|
| Population | 105,612 (2019) |
| County seat | Morgantown |
| Congressional district | 1st |
| Rivers | Monongahela River |
| Cheat River | |
| Dunkard Creek | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3076374 |
About Monongalia County
Monongalia County, known locally as Mon County, is a county in the U. S. state of West Virginia. As of the 2010 census, the population was 96,189, making it West Virginia's fourth-most populous county. Its county seat is at Morgantown. The county was founded in 1776.