Arapahoe County, Colorado
Arapahoe County is a county in Colorado. Its county FIPS code is 08005. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 08005
- Representative coordinates
- 39.644554, -104.331706
- County type
- County
- County seat or government
- Littleton
- Resident population, July 2025
- 673,820
- Land area
- 2,066.517 km²
- Water area
- 19.792 km²
- State
- Colorado
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Arapahoe County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
80010 · 80011 · 80012 · 80013 · 80014 · 80015 · 80016 · 80017 · 80018 · 80102 · 80103 · 80105 · 80110 · 80111 · 80112 · 80113 · 80120 · 80121 · 80122 · 80123 · 80128 · 80129 · 80134 · 80136 · 80137 · 80138 · 80220 · 80222 · 80224 · 80230 · 80231 · 80236 · 80237 · 80246 · 80247
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Arapahoe County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Aetna Estates CDP, CO
- Aurora city, CO
- Bennett town, CO
- Bow Mar town, CO
- Brick Center CDP, CO
- Byers CDP, CO
- Centennial city, CO
- Cherry Creek CDP, CO
- Cherry Hills Village city, CO
- Columbine CDP, CO
- Columbine Valley town, CO
- Comanche Creek CDP, CO
- Deer Trail town, CO
- Dove Valley CDP, CO
- Englewood city, CO
- Four Square Mile CDP, CO
- Foxfield town, CO
- Glendale city, CO
- Greenwood Village city, CO
- Holly Hills CDP, CO
- Inverness CDP, CO
- Littleton city, CO
- Peoria CDP, CO
- Sheridan city, CO
- Strasburg CDP, CO
- Watkins CDP, CO
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.
Small boundary contacts to check
These maps have small contacts that do not confidently establish another jurisdiction or clock zone. They remain separate from the main answer. Check a precise address near the line with the responsible authority.