2018Final results
2018 election for Oklahoma Senate District 4
Oklahoma State Senate · Oklahoma
Mark Allen (R) won with 63.1% of the vote, defeating Eddie Martin (D) by 26.3 points.
Mark AllenRepublican · winner · incumbent
63.1%13,189
Eddie MartinDemocrat
36.9%7,703
20,892 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