ZIP Code 51231

Households in ZIP code 51231, near Calumet, earn a median of $108,058, placing the area in solidly middle-to-upper-income territory. Per-capita income sits at $22,575, a gap that hints at larger households or several earners sharing a home. Median home values reach $189,500, and the county-level property tax rate of 0.98% translates to roughly $1,857 annually on a home at that value. Shoppers pay a combined 7.00% sales tax. Taken together, the tax load here stays fairly gentle against the area's income levels.