Illinois's 8th Congressional District

Illinois's 8th Congressional District is represented by Raja Krishnamoorthi (Democrat), who has held the seat since 2017. Krishnamoorthi has an overall VoteSee report card grade of C, voted in 98% of roll-call votes on bills this Congress, and votes with the Democratic majority 98% of the time. The district includes Elgin, Schaumburg, and Des Plaines. It takes in all or part of 3 counties; the most populous parts are in Cook County and Kane County. About 747,000 people live in the district, and the median household income is $99,637.

Current Representative

Raja Krishnamoorthi (Democrat) has represented Illinois's 8th Congressional District since 2017.

VoteSee report card grade: C
Attendance in the 119th Congress: 98% of roll-call votes on bills
Votes with the Democrat majority: 98%

See Raja Krishnamoorthi's full voting record and issue positions →

2026 Election

U.S. House: Illinois 8th District

Winner: Melissa Bean.

This is an open seat: Raja Krishnamoorthi is not running for re-election. 2 candidates were on the Nov 3, 2026 ballot.

Melissa Bean (Democratic): raised $2.5M, $302K cash on hand
Jennifer Davis (Republican): raised $1.8M, $280K cash on hand

Polls: No public polls

See the full 2026 race →

District Demographics

Population: 746,772
Median household income: $99,637
Median age: 40
Median home value: $326,100
Bachelor's degree or higher: 40%

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

How Krishnamoorthi Voted Recently

No on Providing for consideration of the bill (H.R. 1013) to amend the Federal securities laws to enhance 403(b) plans, and for other purposes. (Nov 10, 2026) — Passed
Yea on American Enrichment Deployment Act (Nov 9, 2026) — Passed
Yea 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

Breaks with the Democrat majority

Yea on Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 (Sep 16, 2026) — Passed
No on National Security, Department of State, and Related Programs Appropriations Act, 2027 (Jul 15, 2026) — Failed
Nay on Sunshine Protection Act of 2025 (Jul 14, 2026) — Passed

Who Held This Seat Before

Members of Congress who previously represented Illinois's 8th Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.

Tammy Duckworth — Democrat (2013–2017)
Joe Walsh — Republican (2011–2013)
Melissa Bean — Democrat (2005–2011)
Phil Crane — Republican (1993–2005)
Daniel Rostenkowski — Democrat (1959–1993)
Thomas Gordon — Democrat (1943–1959)
Leo Kocialkowski — Democrat (1933–1943)
Peter Granata — Republican (1931–1933)
Stanley Kunz — Democrat (1921–1933)
Thomas Gallagher — Democrat (1909–1921)
Charles McGavin — Republican (1905–1909)
William Mahoney — Democrat (1903–1905)

Where the District Is

Illinois's 8th Congressional District covers 285 square miles of land. Boundaries are for the current (119th) Congress.

Counties

Cook County (part): 47% of residents
Kane County (part): 31% of residents
DuPage County (part): 22% of residents

Largest communities

Elgin (part)
Schaumburg (part)
Des Plaines (part)
Hoffman Estates (part)
Carol Stream (part)
Carpentersville
Elk Grove Village (part)
Streamwood (part)