1974Final resultsIncumbent defeated
1974 Democratic primary for Oklahoma House District 30
Oklahoma House of Representatives · Oklahoma
Donald D. Thompson (D) won with 52.4% of the vote, defeating Heber Finch Jr. (D) by 4.8 points.
Donald D. ThompsonDemocrat · winner
52.4%2,825
Heber Finch Jr.Democrat · incumbent
47.6%2,564
5,389 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET