ZIP Code 54121

ZIP code 54121 is classified by USPS as a standard delivery area and covers roughly 677.7 square miles in Florence, Florence County, Wisconsin. The area is home to 2,982 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 54121 against Wisconsin and the nation.

On the economic side, the median household income for ZIP 54121 sits at $58,750 (25% below the Wisconsin average), while per-capita income is $41,541. The poverty rate stands at 7.0% and the unemployment rate at 5.6%. On housing, the median home value is $189,600 (24% below the state average) with median rent at $731 per month, and 91.0% of occupied units are owner-occupied, a direct signal of whether 54121 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 28.2% of adults hold a bachelor's degree or higher, the median age is 55, and the average commute is 19 minutes. Use the benchmarks above to see where 54121 sits relative to Wisconsin and the national baseline rather than viewing the numbers in isolation. 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 →