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2004 Illinois U.S. House District 12 Election
Illinois · 3 candidates
Costello +40.6 pts · won by 116,285 votes
Jerry F. CostelloDemocraticWINNER69.46%
198,962 votes
Erin R. ZweigartRepublican28.86%
82,677 votes
Walter B. SteeleLibertarian1.67%
4,794 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).