Wisconsin's 4th Congressional District
Wisconsin · WI-04
Wisconsin's 4th Congressional District is one of 8 U.S. House districts in Wisconsin, represented in Congress by Gwen Moore (Democrat). It is home to roughly 725,385 people, with a median age of 33.9. The population is about 41% White. The median household income is $57,818, and 33% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Democratic (D+52).
Representative
Current U.S. House member (source: house.gov).
Geography
WI-04 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 141 square miles, WI-04 is the 396th-largest of the 435 congressional districts by land area. With about 5,145 residents per square mile, it is a heavily urban district. Its shape is fairly compact: the district's Polsby-Popper score of 0.41 ranks 81st of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 75% of WI-04 voters backed Kamala Harris and 23% Donald Trump — a D+52 margin. That is a 1.0-point shift toward the Republicans from 2020, when the district voted D+53.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 33.9 years old, making this one of the youngest districts in the nation by median age; 24.8% of residents are under 18 and 13.1% are 65 or older. About 10% of residents were born outside the United States, and 19.5% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $57,818, the district's median household income ranks 404th of 435 districts nationwide. The typical owner-occupied home is worth $197,462, and the median rent is $1,053 a month. 20% of residents live below the poverty line, and workers average a 23.7-minute commute (12.8% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).