COUNTY · ME
York County, Maine
York County is a county in Maine with FIPS code 23031 and an estimated population of 218,586 (Census 2023), 2nd largest of 16 in the state.
County facts
- Name
- York County
- State
- Maine
- Type
- county
- FIPS code
- 23031
- State FIPS
- 23
- Population (2023)
- 218,586
- Change since 2020
- +3.0%
- State rank
- 2 of 16
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for York County?
York County, Maine has the five-digit FIPS code 23031: 23 for the state and 031 for the county.
What state is York County in?
York 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.