CITY · AL

What county is Birmingham, AL in?

Birmingham, AL is mostly in Jefferson County. County FIPS code 01073, population 662,895 (2023 estimate).

County details

City: Birmingham, Alabama
Primary county: Jefferson County
FIPS code: 01073
County population: 662,895

Some cities extend into more than one county. Birmingham is placed in the county that contains its center. For a specific address, use the address lookup.

Questions

What county is Birmingham in?

Birmingham, AL is mostly in Jefferson County.

What is the county seat of Jefferson County?

County seats are not part of the data on this site. Check the county’s official website.

Can a city be in two counties?

Yes. Large cities such as Houston and Atlanta cross county lines. The address lookup shows the exact county for any street address.

Sources: U.S. Census Bureau geographic reference files; FCC Area API; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.