Arapahoe County, Colorado
County in Colorado, United States / From Wikipedia, the free encyclopedia
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Arapahoe County (/əˈræpəhoʊ/ ə-RAP-ə-hoh) is a county located in the U.S. state of Colorado. As of the 2020 census, its population was 655,070,[2] making it the third-most populous county in Colorado. The county seat is Littleton,[3] and the most populous city is Aurora. The county was named for the Arapaho Native American tribe, who once lived in the region.[1]
Quick Facts Country, State ...
Arapahoe County | |
|---|---|
 Little Dry Creek in Englewood | |
 Flag | |
 Location within the U.S. state of Colorado | |
 Colorado's location within the U.S. | |
| Coordinates: 39°38′N 104°20′W | |
| Country |  United States |
| State |  Colorado |
| Founded | November 1, 1861 |
| Named for | The Arapaho Nation[1] |
| Seat | Littleton |
| Largest city | Aurora |
| Area | |
| • Total | 805 sq mi (2,080 km2) |
| • Land | 798 sq mi (2,070 km2) |
| • Water | 7.3 sq mi (19 km2) 0.9% |
| Population (2020) | |
| • Total | 655,070[2] |
| • Density | 821/sq mi (317/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional districts | 1st, 4th, 6th |
| Website | www |
Third most populous Colorado county | |
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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.