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1984 Illinois U.S. House District 4 Election
Illinois · 2 candidates
O'Brien +28.0 pts · won by 53,197 votes
George M. O'BrienRepublicanWINNER63.98%
121,744 votes
Dennis E. MarlowDemocratic36.02%
68,547 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).