NOTE: Gray indicates insufficient data or a suppressed estimate.
Larger household sizes (3.0+) concentrate in scattered rural and exurban zip codes across central and western Wisconsin, with notably high values appearing in areas associated with Amish and Mennonite communities near the Driftless Region. The smallest household sizes (1.5–2.0) cluster tightly in Milwaukee's urban core at the southeastern corner, along with college towns such as Madison, La Crosse, and Eau Claire, where student populations and single-occupant housing drive averages down. A broad band of moderate values (2.3–2.7) characterizes much of the northern and central rural interior, while suburban zip codes ringing Milwaukee and the Fox Valley trend slightly above the statewide median.
Data: U.S. Census Bureau, 2023 ACS
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