ZIP Code 61436

ZIP code 61436 is classified by USPS as a standard delivery area and covers roughly 158.5 square miles in Gilson, Knox County, Illinois. The area is home to 951 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 61436 against Illinois and the nation.

On the economic side, the median household income for ZIP 61436 sits at $76,000 (5% below the Illinois average), while per-capita income is $49,198. The poverty rate stands at 7.7% and the unemployment rate at 3.4%. On housing, the median home value is $205,000 (7% above the state average) with median rent at — per month, and 87.0% of occupied units are owner-occupied, a direct signal of whether 61436 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 19.5% of adults hold a bachelor's degree or higher, the median age is 59.5, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Knox County, so you can benchmark 61436 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 →