1974Flipped from RepublicanFinal resultsSpecial election
1974 special election for Missouri House District 138
Missouri House of Representatives · Missouri
Don Roderique (D) won with 54.5% of the vote, defeating William H. Perry III (R) by 8.9 points, flipping a seat Republicans held.
Don RoderiqueDemocrat · winner
54.5%1,565
William H. Perry IIIRepublican
45.5%1,308
2,873 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 1974
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)