ZIP Code 61104

ZIP code 61104 is classified by USPS as a standard delivery area and covers roughly 11.7 square miles in Rockford, Winnebago County, Illinois. The area is home to 19,269 residents, producing a population density of 1,650 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 61104 against Illinois and the nation.

On the economic side, the median household income for ZIP 61104 sits at $33,772 (58% below the Illinois average), while per-capita income is $22,510. The poverty rate stands at 37.6% and the unemployment rate at 11.4%. On housing, the median home value is $90,100 (53% below the state average) with median rent at $887 per month, and 37.8% of occupied units are owner-occupied, a direct signal of whether 61104 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 9.3% of adults hold a bachelor's degree or higher, the median age is 34.4, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Winnebago County, so you can benchmark 61104 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 →