COUNTY · CO
Larimer County, Colorado
Larimer County is a county in Colorado with FIPS code 08069 and an estimated population of 370,771 (Census 2023), 7th largest of 64 in the state.
County facts
- Name
- Larimer County
- State
- Colorado
- Type
- county
- FIPS code
- 08069
- State FIPS
- 08
- Population (2023)
- 370,771
- Change since 2020
- +3.0%
- State rank
- 7 of 64
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Larimer County
Other counties in Colorado
Questions
What is the FIPS code for Larimer County?
Larimer County, Colorado has the five-digit FIPS code 08069: 08 for the state and 069 for the county.
What state is Larimer County in?
Larimer County is in Colorado.
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.