COUNTY · ME
Franklin County, Maine
Franklin County is a county in Maine with FIPS code 23007 and an estimated population of 30,828 (Census 2023), 15th largest of 16 in the state.
County facts
- Name
- Franklin County
- State
- Maine
- Type
- county
- FIPS code
- 23007
- State FIPS
- 23
- Population (2023)
- 30,828
- Change since 2020
- +4.6%
- State rank
- 15 of 16
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Franklin County?
Franklin County, Maine has the five-digit FIPS code 23007: 23 for the state and 007 for the county.
What state is Franklin County in?
Franklin County is in Maine.
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.