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1984 Illinois U.S. House District 4 Election

Illinois · 2 candidates · See every 1984 U.S. House race

Who won the 1984 Illinois U.S. House District 4 Election?

George M. O'Brien won the 1984 Illinois U.S. House District 4 Election. George M. O'Brien received 121,744 popular votes (63.98%). The main challenger was Dennis E. Marlow (36.02%).

See the full head-to-head between O'Brien and Marlow

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. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.