COUNTY · MT

Lincoln County, Montana

Lincoln County is a county in Montana with FIPS code 30053 and an estimated population of 21,895 (Census 2023), 10th largest of 56 in the state.

County facts

Name
Lincoln County
State
Montana
Type
county
FIPS code
30053
State FIPS
30
Population (2023)
21,895
Change since 2020
+11.0%
State rank
10 of 56

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Montana

Questions

What is the FIPS code for Lincoln County?

Lincoln County, Montana has the five-digit FIPS code 30053: 30 for the state and 053 for the county.

What state is Lincoln County in?

Lincoln County is in Montana.

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.