1978Final results
1978 election for Wisconsin's 9th District
U.S. House · Wisconsin
F. James Sensenbrenner, Jr. (R) won with 61.1% of the vote, defeating Matthew J. Flynn (D) by 22.3 points.
F. James Sensenbrenner, Jr.Republican · winner
61.1%118,386
Matthew J. FlynnDemocrat
38.8%75,207
193,688 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET