COUNTY · AL
Washington County, Alabama
Washington County is a county in Alabama with FIPS code 01129 and an estimated population of 15,022 (Census 2023), 54th largest of 67 in the state.
County facts
- Name
- Washington County
- State
- Alabama
- Type
- county
- FIPS code
- 01129
- State FIPS
- 01
- Population (2023)
- 15,022
- Change since 2020
- -2.0%
- State rank
- 54 of 67
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Washington County?
Washington County, Alabama has the five-digit FIPS code 01129: 01 for the state and 129 for the county.
What state is Washington County in?
Washington County is in Alabama.
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.