1974Final results
1974 election for Washington Legislative District 15
Washington State Senate · Washington
Sidney Morrison (R) won with 63.8% of the vote, defeating Les Vannice (D) by 27.6 points.
Sidney MorrisonRepublican · winner
63.8%10,800
Les VanniceDemocrat
36.2%6,126
16,926 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 1974
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)