COUNTY · UT

Salt Lake County, Utah

Salt Lake County is a county in Utah with FIPS code 49035 and an estimated population of 1,185,813 (Census 2023), 1st largest of 29 in the state.

County facts

Name: Salt Lake County
State: Utah
Type: county
FIPS code: 49035
State FIPS: 49
Population (2023): 1,185,813
Change since 2020: -0.1%
State rank: 1 of 29

Population is the Census Bureau’s Vintage 2023 estimate.

Major cities in Salt Lake County

Salt Lake City

Other counties in Utah

Utah County Davis County Weber County Washington County Cache County Tooele County Iron County Box Elder County All 29

Questions

What is the FIPS code for Salt Lake County?

Salt Lake County, Utah has the five-digit FIPS code 49035: 49 for the state and 035 for the county.

What state is Salt Lake County in?

Salt Lake County is in Utah.

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.