2018Final results
2018 election for Oklahoma Senate District 20
Oklahoma State Senate · Oklahoma
Chuck Hall (R) won with 70.1% of the vote, defeating Heady Coleman (D) by 40.2 points.
Chuck HallRepublican · winner
70.1%19,023
Heady ColemanDemocrat
29.9%8,118
27,141 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET