COUNTY · TN
Marion County, Tennessee
Marion County is a county in Tennessee with FIPS code 47115 and an estimated population of 29,382 (Census 2023), 51st largest of 95 in the state.
County facts
- Name
- Marion County
- State
- Tennessee
- Type
- county
- FIPS code
- 47115
- State FIPS
- 47
- Population (2023)
- 29,382
- Change since 2020
- +1.8%
- State rank
- 51 of 95
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Marion County?
Marion County, Tennessee has the five-digit FIPS code 47115: 47 for the state and 115 for the county.
What state is Marion County in?
Marion County is in Tennessee.
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.