1986Final results
1986 primary for Oklahoma House District 48
Oklahoma House of Representatives · Oklahoma
Don Duke (D) won with 51.1% of the vote, defeating Jim Castle (D) by 2.1 points.
Don DukeDemocrat · winner · incumbent
51.1%3,932
Jim CastleDemocrat
48.9%3,769
7,701 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET