COUNTY · WY
Laramie County, Wyoming
Laramie County is a county in Wyoming with FIPS code 56021 and an estimated population of 100,984 (Census 2023), 1st largest of 23 in the state.
County facts
- Name
- Laramie County
- State
- Wyoming
- Type
- county
- FIPS code
- 56021
- State FIPS
- 56
- Population (2023)
- 100,984
- Change since 2020
- +0.3%
- State rank
- 1 of 23
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Laramie County
Other counties in Wyoming
Questions
What is the FIPS code for Laramie County?
Laramie County, Wyoming has the five-digit FIPS code 56021: 56 for the state and 021 for the county.
What state is Laramie County in?
Laramie 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.