Arapahoe County
Arapahoe County is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070, making it the third-most populous county in Colorado. The county seat is Littleton, and the most populous city is Aurora. The county was named for the Arapaho Native American tribe, who once lived in the region. Arapahoe County is part of the Denver-Aurora-Lakewood metropolitan statistical area. Arapahoe County calls itself "Colorado's First County", since its origins antedate the Pike's Peak Gold Rush.
Governance bodies
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Cities and towns 12
- City of Aurora pop. 389,347
- City of Centennial pop. 106,966
- City of Cherry Hills Village pop. 6,353
- City of Englewood pop. 33,516
- City of Glendale pop. 4,552
- City of Greenwood Village pop. 15,495
- City of Littleton pop. 45,191
- City of Sheridan pop. 6,035
- Town of Bow Mar pop. 844
- Town of Columbine Valley pop. 1,552
- Town of Deer Trail pop. 1,222
- Town of Foxfield pop. 751
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 161307
- FIPS state
- 08
- FIPS county
- 005
- FIPS place
- 99005
- Census record name
- COUNTY OF ARAPAHOE
- Mailing address
- 5334 S PRINCE ST, LITTLETON 80120