1978Flipped from DemocraticFinal results
1978 election for Missouri House District 129
Missouri House of Representatives · Missouri
David Steelman (R) won with 61.6% of the vote, defeating Junior Simpson (D) by 23.1 points, a seat Democrats won last time.
David SteelmanRepublican · winner
61.6%7,364
Junior SimpsonDemocrat
38.4%4,597
11,961 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET