County
· Colorado
Jefferson County
Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, which was Colorado's capital twice, and its most populous city is Lakewood.
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Cities and towns 8
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 123711
- FIPS state
- 08
- FIPS county
- 059
- FIPS place
- 99059
- Census record name
- COUNTY OF JEFFERSON
- Mailing address
- 100 JEFFERSON COUNTY PKWY, GOLDEN 80419