ZIP Code 51638

ZIP code 51638 is classified by USPS as a standard delivery area and covers roughly 220.2 square miles in Essex, Page County, Iowa. The area is home to 1,299 residents, producing a population density of 6 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 51638 against Iowa and the nation.

On the economic side, the median household income for ZIP 51638 sits at $59,107 (23% below the Iowa average), while per-capita income is $36,660. The poverty rate stands at 12.0% and the unemployment rate at 1.4%. On housing, the median home value is $120,700 (31% below the state average) with median rent at $606 per month, and 81.9% of occupied units are owner-occupied, a direct signal of whether 51638 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 17.9% of adults hold a bachelor's degree or higher, the median age is 50.5, and the average commute is 26 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Page County, so you can benchmark 51638 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 →