ZIP Code 66040

ZIP code 66040 is classified by USPS as a standard delivery area and covers roughly 374.1 square miles in La Cygne, Linn County, Kansas. The area is home to 3,404 residents, producing a population density of 9 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 66040 against Kansas and the nation.

On the economic side, the median household income for ZIP 66040 sits at $56,323 (22% below the Kansas average), while per-capita income is $32,180. The poverty rate stands at 7.7% and the unemployment rate at 3.8%. On housing, the median home value is $174,300 (8% above the state average) with median rent at $868 per month, and 86.1% of occupied units are owner-occupied, a direct signal of whether 66040 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 19.6% of adults hold a bachelor's degree or higher, the median age is 48, and the average commute is 41 minutes. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Linn County, so you can benchmark 66040 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 →