ZIP Code 81251

ZIP code 81251 is classified by USPS as a standard delivery area and covers roughly 220.0 square miles in Twin Lakes, Lake County, Colorado. The area is home to 220 residents, producing a population density of 1 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 81251 against Colorado and the nation.

On the economic side, the median household income for ZIP 81251 sits at $105,600 (19% above the Colorado average), while per-capita income is $54,835. The poverty rate stands at 0.7% and the unemployment rate at 0.0%. On housing, the median home value is $672,600 (39% above the state average) with median rent at - per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 81251 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 66.8% of adults hold a bachelor's degree or higher, the median age is 71.3, and the average commute is —. We also surface 1 nearby ZIP codes within roughly 10 miles and 1 additional ZIPs sharing Lake County, so you can benchmark 81251 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 →