ZIP Code 53103

ZIP code 53103 is classified by USPS as a standard delivery area and covers roughly 33.3 square miles in Big Bend, Waukesha County, Wisconsin. The area is home to 3,724 residents, producing a population density of 112 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 53103 against Wisconsin and the nation.

On the economic side, the median household income for ZIP 53103 sits at $137,083 (75% above the Wisconsin average), while per-capita income is $50,759. The poverty rate stands at 1.7% and the unemployment rate at 2.3%. On housing, the median home value is $397,700 (60% above the state average) with median rent at $1,125 per month, and 95.7% of occupied units are owner-occupied, a direct signal of whether 53103 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 42.7% of adults hold a bachelor's degree or higher, the median age is 49, and the average commute is 29 minutes. We also surface 9 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Waukesha County, so you can benchmark 53103 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 →