COUNTY · WY

Lincoln County, Wyoming

Lincoln County is a county in Wyoming with FIPS code 56023 and an estimated population of 20,880 (Census 2023), 10th largest of 23 in the state.

County facts

Name
Lincoln County
State
Wyoming
Type
county
FIPS code
56023
State FIPS
56
Population (2023)
20,880
Change since 2020
+6.2%
State rank
10 of 23

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Wyoming

Questions

What is the FIPS code for Lincoln County?

Lincoln County, Wyoming has the five-digit FIPS code 56023: 56 for the state and 023 for the county.

What state is Lincoln County in?

Lincoln County is in Wyoming.

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.