PolitiFinder

1978 Illinois U.S. House District 17 Election

Illinois · 2 candidates · See every 1978 U.S. House race

Who won the 1978 Illinois U.S. House District 17 Election?

George M. O'Brien won the 1978 Illinois U.S. House District 17 Election. George M. O'Brien received 94,375 popular votes (70.62%). The main challenger was Clifford J. Sinclair (29.38%).

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

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

Data last verified July 28, 2026.