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Illinois's 3rd 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 Delia C. Ramirez

Delia C. Ramirez

IL · District 3
DemocratRanking Member, Cybersecurity and Infrastructure ProtectionRanking Member, Oversight and Investigations
Raised $1,465,280 · 449K followers (office + personal) · missed 3.8% of votes
3.7 years in Congress · Up for reelection: 2026
House Committee on Homeland Security · House Committee on Veterans' Affairs +4 more
View profile

Cook PVI: D+17

District demographics

MeasureValue
Population732,771
Median household income$87,098
Median age37.4
Bachelor's degree or higher39.9%
White alone39.5%
Black alone6.1%
Hispanic or Latino44.2%
Asian alone6.7%
Unemployment rate6.0%
Population density (per sq mi)4,762

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.