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Wisconsin's 4th district

U.S. House district profile: the sitting representative, 2024 Census demographics (119th-district boundaries), partisan lean, and 2026 race rating.

Representative

Official portrait of Gwen Moore

Gwen Moore

WI · District 4
Democrat
Raised $1,070,659 · 46K followers (office + personal) · missed 1.3% of votes
21.7 years in Congress · Up for reelection: 2026
Joint Economic Committee · House Committee on Ways and Means +3 more
View profile

Cook PVI: D+26

District demographics

MeasureValue
Population722,345
Median household income$62,083
Median age34.2
Bachelor's degree or higher36.2%
White alone39.9%
Black alone31.0%
Hispanic or Latino18.6%
Asian alone4.9%
Unemployment rate5.5%
Population density (per sq mi)5,161

Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates (tables B01003, B01002, B19013 and related), 119th Congress district boundaries, released September 2025; land area from the 2025 Gazetteer.