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1978 Illinois U.S. House District 17 Election
Illinois · 2 candidates
O'Brien +41.2 pts · won by 55,115 votes
George M. O'BrienRepublicanWINNER70.62%
94,375 votes
Clifford J. SinclairDemocratic29.38%
39,260 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).