County ProfileCO
Arapahoe County
Population: 655,070 · 44 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
655,070
People
Median age
37.3
Housing
Total households
257,232
Income
Median household income
$101,087
Housing
Total housing units
269,345
Employment
Employment rate
67.7%
Education
Bachelor’s degree or higher
46.5%
Healthcare
Insured population
90.7%
County details
Local time 01:00:23(MT)| Name | Arapahoe |
|---|---|
| Total ZIP codes | 44total |
| ZIP codes (by type) | 29 Standard13 PO Box2 Unique |
| Area code | 303, 720, 970, 983 |
| Timezone | Mountain Time (MT) |
| Coordinates | 39.6445537, -104.3317065 |
| Land area | 797.9 sq miles(2,066.5 km²) |
Map of Arapahoe county, Colorado with ZIP codes
Cities and Communities in Arapahoe County
Compare the largest cities in Arapahoe County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Arapahoe County
Review the most populated postal areas across Arapahoe County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 80013 | Aurora | $101,191 | 75,099 |
| 80015 | Aurora | $124,702 | 71,466 |
| 80016 | Aurora | $150,492 | 65,406 |
| 80011 | Aurora | $74,022 | 54,254 |
| 80012 | Aurora | $73,000 | 49,897 |
| 80123 | Littleton | $105,932 | 47,302 |
| 80127 | Littleton | $137,040 | 44,776 |
| 80126 | Littleton | $169,882 | 44,221 |
| 80010 | Aurora | $63,579 | 42,303 |
| 80014 | Aurora | $73,210 | 41,711 |
| 80017 | Aurora | $80,524 | 37,637 |
| 80128 | Littleton | $121,436 | 36,699 |
| 80112 | Englewood | $108,874 | 35,713 |
| 80111 | Englewood | $135,995 | 32,672 |
| 80122 | Littleton | $128,691 | 32,336 |
| 80129 | Littleton | $141,667 | 29,703 |
| 80120 | Littleton | $94,296 | 29,445 |
| 80130 | Littleton | $158,741 | 27,250 |
| 80110 | Englewood | $85,900 | 23,279 |
| 80113 | Englewood | $96,590 | 22,821 |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS