ZIP Code 80104

ZIP code 80104 is classified by USPS as a standard delivery area and covers roughly 201.1 square miles in Castle Rock, Douglas County, Colorado. The area is home to 27,588 residents, producing a population density of 137 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 80104 against Colorado and the nation.

On the economic side, the median household income for ZIP 80104 sits at $134,335 (51% above the Colorado average), while per-capita income is $59,720. The poverty rate stands at 4.2% and the unemployment rate at 3.8%. On housing, the median home value is $624,200 (29% above the state average) with median rent at $1,880 per month, and 79.4% of occupied units are owner-occupied, a direct signal of whether 80104 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 55.8% of adults hold a bachelor's degree or higher, the median age is 38.2, and the average commute is 30 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Douglas County, so you can benchmark 80104 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 →