COUNTY · TN
Loudon County, Tennessee
Loudon County is a county in Tennessee with FIPS code 47105 and an estimated population of 60,591 (Census 2023), 25th largest of 95 in the state.
County facts
- Name
- Loudon County
- State
- Tennessee
- Type
- county
- FIPS code
- 47105
- State FIPS
- 47
- Population (2023)
- 60,591
- Change since 2020
- +9.9%
- State rank
- 25 of 95
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Loudon County?
Loudon County, Tennessee has the five-digit FIPS code 47105: 47 for the state and 105 for the county.
What state is Loudon County in?
Loudon 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.