2020Final results
2020 election for Oklahoma Senate District 21
Oklahoma State Senate · Oklahoma
Tom J. Dugger (R) won with 64.0% of the vote, defeating Rick Dunham (D) by 27.9 points.
Tom J. DuggerRepublican · winner · incumbent
64.0%18,774
Rick DunhamDemocrat
36.0%10,577
29,351 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET