COUNTY · CO
Fremont County, Colorado
Fremont County is a county in Colorado with FIPS code 08043 and an estimated population of 50,318 (Census 2023), 16th largest of 64 in the state.
County facts
- Name
- Fremont County
- State
- Colorado
- Type
- county
- FIPS code
- 08043
- State FIPS
- 08
- Population (2023)
- 50,318
- Change since 2020
- +2.9%
- State rank
- 16 of 64
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Fremont County?
Fremont County, Colorado has the five-digit FIPS code 08043: 08 for the state and 043 for the county.
What state is Fremont County in?
Fremont 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.