ZIP Code 61243

ZIP code 61243 is classified by USPS as a standard delivery area and covers roughly 71.4 square miles in Deer Grove, Whiteside County, Illinois. The area is home to 264 residents, producing a population density of 4 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 61243 against Illinois and the nation.

On the economic side, the median household income for ZIP 61243 sits at $148,309 (85% above the Illinois average), while per-capita income is $62,448. The poverty rate stands at 2.6% and the unemployment rate at 6.9%. On housing, the median home value is $172,700 (10% below the state average) with median rent at — per month, and 84.7% of occupied units are owner-occupied, a direct signal of whether 61243 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 30.0% of adults hold a bachelor's degree or higher, the median age is 49.8, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Whiteside County, so you can benchmark 61243 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 →