COUNTY · WV
Marion County, West Virginia
Marion County is a county in West Virginia with FIPS code 54049 and an estimated population of 55,807 (Census 2023), 11th largest of 55 in the state.
County facts
- Name
- Marion County
- State
- West Virginia
- Type
- county
- FIPS code
- 54049
- State FIPS
- 54
- Population (2023)
- 55,807
- Change since 2020
- -0.8%
- State rank
- 11 of 55
Population is the Census Bureau’s Vintage 2023 estimate.
Other counties in West Virginia
Questions
What is the FIPS code for Marion County?
Marion County, West Virginia has the five-digit FIPS code 54049: 54 for the state and 049 for the county.
What state is Marion County in?
Marion 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.