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County · GEOID 08005

Arapahoe County, CO ZIP codes

33 ZIP/ZCTAs intersecting this county.

ACS 2023 population

655,709

Median household income

$97,215

Median home value

$526,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Arapahoe County (GEOID 08005). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 989,106 (33 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Arapahoe County

Population overlap

Share of each ZIP/ZCTA’s population located within Arapahoe County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Arapahoe County

USPS associates these ZIPs with Arapahoe County

These codes list Arapahoe County as a primary or acceptable city. They are not used for the ACS headline.