1990Flipped from RepublicanFinal resultsIncumbent defeated
1990 election for Oklahoma Senate District 16
Oklahoma State Senate · Oklahoma
Cal Hobson (D) won with 61.7% of the vote, defeating Gary Gardenhire (R) by 23.5 points, a seat Republicans won last time.
Cal HobsonDemocrat · winner
61.7%12,265
Gary GardenhireRepublican · incumbent
38.3%7,605
19,870 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET