CITY · CT

What county is Bridgeport, CT in?

Bridgeport, CT is mostly in Fairfield County. County FIPS code 09001.

County details

City: Bridgeport, Connecticut
Primary county: Fairfield County
FIPS code: 09001

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

Questions

What county is Bridgeport in?

Bridgeport, CT is mostly in Fairfield County.

What is the county seat of Fairfield 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.