COUNTY · WV
Monongalia County, West Virginia
Monongalia County is a county in West Virginia with FIPS code 54061 and an estimated population of 107,718 (Census 2023), 3rd largest of 55 in the state.
County facts
- Name
- Monongalia County
- State
- West Virginia
- Type
- county
- FIPS code
- 54061
- State FIPS
- 54
- Population (2023)
- 107,718
- Change since 2020
- +1.7%
- State rank
- 3 of 55
Population is the Census Bureau’s Vintage 2023 estimate.
Other counties in West Virginia
Questions
What is the FIPS code for Monongalia County?
Monongalia County, West Virginia has the five-digit FIPS code 54061: 54 for the state and 061 for the county.
What state is Monongalia County in?
Monongalia County is in West Virginia.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.