Barack H. Obama
Democratic
3,597,456
70.0%
Winner
← Election center
U.S. SenateIllinoisCertified
Illinois U.S. Senate
General election · November 2, 2004
- Incumbent
- Not identified
- Seat
- U.S. Senate
- Race rating
- No published consensus
- Last updated
- Sep 7, 2026
Candidates and results
Margin: 2,206,766 votes (42.9 points)
Alan Keyes
Republican
1,390,690
27.0%
Albert J. Franzen
Independent
81,164
1.6%
Jerry Kohn
Libertarian
69,253
1.3%
Imported from MIT Election Lab.
Election results in Worldview are entered by hand or bulk-imported from public sources: MIT Election Lab for returns, U.S. Census for boundaries.