ZIP Code 64440

ZIP code 64440 is classified by USPS as a standard delivery area and covers roughly 97.0 square miles in De Kalb, Buchanan County, Missouri. The area is home to 737 residents, producing a population density of 8 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 64440 against Missouri and the nation.

On the economic side, the median household income for ZIP 64440 sits at $94,306 (41% above the Missouri average), while per-capita income is $38,536. The poverty rate stands at 11.9% and the unemployment rate at 0.9%. On housing, the median home value is $187,800 (2% below the state average) with median rent at $940 per month, and 82.5% of occupied units are owner-occupied, a direct signal of whether 64440 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 9.0% of adults hold a bachelor's degree or higher, the median age is 40.8, and the average commute is 29 minutes. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Buchanan County, so you can benchmark 64440 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 →