1968Final resultsIncumbent defeated
1968 election for Washington Legislative District 12
Washington State Senate · Washington
R. D. McDougall (R) won with 57.7% of the vote, defeating H. B. Hanna (D) by 15.4 points.
R. D. McDougallRepublican · winner
57.7%13,261
H. B. HannaDemocrat · incumbent
42.3%9,723
22,984 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 1968
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET