ZIP Code 66066

ZIP code 66066 is classified by USPS as a standard delivery area and covers roughly 201.2 square miles in Oskaloosa, Jefferson County, Kansas. The area is home to 2,636 residents, producing a population density of 13 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 66066 against Kansas and the nation.

On the economic side, the median household income for ZIP 66066 sits at $79,990 (11% above the Kansas average), while per-capita income is $44,657. The poverty rate stands at 5.7% and the unemployment rate at 0.9%. On housing, the median home value is $225,700 (39% above the state average) with median rent at $849 per month, and 84.5% of occupied units are owner-occupied, a direct signal of whether 66066 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 22.9% of adults hold a bachelor's degree or higher, the median age is 37.4, and the average commute is 29 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jefferson County, so you can benchmark 66066 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 →