ZIP Code 53548

ZIP code 53548 is classified by USPS as a standard delivery area and covers roughly 185.0 square miles in Janesville, Rock County, Wisconsin. The area is home to 18,558 residents, producing a population density of 100 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 53548 against Wisconsin and the nation.

On the economic side, the median household income for ZIP 53548 sits at $76,869 (2% below the Wisconsin average), while per-capita income is $38,090. The poverty rate stands at 10.6% and the unemployment rate at 5.0%. On housing, the median home value is $234,900 (6% below the state average) with median rent at $1,045 per month, and 69.9% of occupied units are owner-occupied, a direct signal of whether 53548 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 26.4% of adults hold a bachelor's degree or higher, the median age is 43.3, and the average commute is 23 minutes. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Rock County, so you can benchmark 53548 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 →