Illinois's 3rd Congressional District

Illinois's 3rd Congressional District is represented by Delia Ramirez (Democrat), who has held the seat since 2023. Ramirez has an overall VoteSee report card grade of D, voted in 95% of roll-call votes on bills this Congress, and votes with the Democratic majority 92% of the time. The district includes Chicago, Wheaton, and Bartlett. It takes in all or part of 2 counties, and 74% of residents live in Cook County. About 740,000 people live in the district, and the median household income is $88,650.

Current Representative

Delia Ramirez (Democrat) has represented Illinois's 3rd Congressional District since 2023.

• VoteSee report card grade: D
• Attendance in the 119th Congress: 95% of roll-call votes on bills
• Votes with the Democrat majority: 92%

See Delia Ramirez's full voting record and issue positions →

2026 Election

U.S. House: Illinois 3rd District

Winner: Delia Ramirez.

Incumbent Delia Ramirez is running for re-election. 2 candidates were on the Nov 3, 2026 ballot.

• Delia Ramirez (Democratic), incumbent: raised $1.6M, $914K cash on hand; VoteSee report card D; 95% attendance; votes with the Democratic majority 92% of the time
• Angel Oakley (Republican): raised $18K, $4K cash on hand

Polls: No public polls

See the full 2026 race →

District Demographics

• Population: 739,663
• Median household income: $88,650
• Median age: 37
• Median home value: $359,900
• Bachelor's degree or higher: 37.1%

Source: American Community Survey 2020–2024 5-year estimates, 119th Congress boundaries.

How Ramirez Voted Recently

• Nay on American Enrichment Deployment Act (Nov 9, 2026) — Passed
• Nay on Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act (Nov 9, 2026) — Passed
• Yea on Retire through Ownership Act (Sep 16, 2026) — Passed
• Yea on Water Resources Development Act of 2026 (Sep 16, 2026) — Passed
• Nay on Ratepayer Protection Act (Sep 16, 2026) — Passed

Breaks with the Democrat majority

• Nay on American Enrichment Deployment Act (Nov 9, 2026) — Passed
• Nay on Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act (Nov 9, 2026) — Passed
• Nay on National Fraud Enforcement Division Act of 2026 (Sep 16, 2026) — Passed

Who Held This Seat Before

Members of Congress who previously represented Illinois's 3rd Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.

• Marie Newman — Democrat (2021–2023)
• Daniel Lipinski — Democrat (2005–2021)
• William Lipinski — Democrat (1993–2005)
• Martin Russo — Democrat (1975–1993)
• Robert Hanrahan — Republican (1973–1975)
• Morgan Murphy — Democrat (1971–1973)
• William Murphy — Democrat (1959–1971)
• Emmet Byrne — Republican (1957–1959)
• James Murray — Democrat (1955–1957)
• Fred Busbey — Republican (1951–1955)
• Neil Linehan — Democrat (1949–1951)
• Fred Busbey — Republican (1947–1949)

Where the District Is

Illinois's 3rd Congressional District covers 154 square miles of land. Boundaries are for the current (119th) Congress.

Counties

• Cook County (part): 74% of residents
• DuPage County (part): 26% of residents

Largest communities

• Chicago (part)
• Wheaton (part)
• Bartlett (part)
• West Chicago
• Addison (part)
• Elmwood Park (part)
• Bensenville
• Elgin (part)

Neighboring Districts

• Illinois's 4th Congressional District — Jesús García (Democrat)
• Illinois's 5th Congressional District — Mike Quigley (Democrat)
• Illinois's 6th Congressional District — Sean Casten (Democrat)
• Illinois's 7th Congressional District — Danny Davis (Democrat)
• Illinois's 8th Congressional District — Raja Krishnamoorthi (Democrat)
• Illinois's 11th Congressional District — Bill Foster (Democrat)

Illinois's U.S. Senators

• Richard Durbin — Democrat, senior senator
• Tammy Duckworth — Democrat, junior senator

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