CITY · UT

What county is Salt Lake City, UT in?

Salt Lake City, UT is mostly in Salt Lake County. County FIPS code 49035, population 1,185,813 (2023 estimate).

County details

City: Salt Lake City, Utah
Primary county: Salt Lake County
FIPS code: 49035
County population: 1,185,813

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

Questions

What county is Salt Lake City in?

Salt Lake City, UT is mostly in Salt Lake County.

What is the county seat of Salt Lake 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.