ZIP Code 80121

ZIP code 80121 is classified by USPS as a standard delivery area and covers roughly 19.4 square miles in Littleton, Arapahoe County, Colorado. The area is home to 17,853 residents, producing a population density of 920 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 80121 against Colorado and the nation.

On the economic side, the median household income for ZIP 80121 sits at $142,056 (60% above the Colorado average), while per-capita income is $93,252. The poverty rate stands at 4.0% and the unemployment rate at 4.0%. On housing, the median home value is $707,900 (46% above the state average) with median rent at $2,151 per month, and 87.1% of occupied units are owner-occupied, a direct signal of whether 80121 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 66.2% of adults hold a bachelor's degree or higher, the median age is 47.8, and the average commute is 25 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Arapahoe County, so you can benchmark 80121 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →