COUNTY · TN
Franklin County, Tennessee
Franklin County is a county in Tennessee with FIPS code 47051 and an estimated population of 44,654 (Census 2023), 36th largest of 95 in the state.
County facts
- Name
- Franklin County
- State
- Tennessee
- Type
- county
- FIPS code
- 47051
- State FIPS
- 47
- Population (2023)
- 44,654
- Change since 2020
- +4.2%
- State rank
- 36 of 95
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Franklin County?
Franklin County, Tennessee has the five-digit FIPS code 47051: 47 for the state and 051 for the county.
What state is Franklin County in?
Franklin 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.