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Illinois's 1st 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 Jonathan L. Jackson

Jonathan L. Jackson

IL · District 1
Democrat
Raised $418,350 · 25K followers (office + personal) · missed 9.9% of votes
3.7 years in Congress · Up for reelection: 2026
House Committee on Agriculture · House Committee on Foreign Affairs +4 more
View profile

Cook PVI: D+18

District demographics

MeasureValue
Population735,259
Median household income$69,490
Median age39.8
Bachelor's degree or higher32.9%
White alone36.5%
Black alone45.1%
Hispanic or Latino12.1%
Asian alone2.5%
Unemployment rate8.3%
Population density (per sq mi)1,202

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.