1968Final results
1968 election for Washington Legislative District 40
Washington State Senate · Washington
Lowell Peterson (D) won with 57.8% of the vote, defeating Cecil Thomas (R) by 15.6 points.
Lowell PetersonDemocrat · winner · incumbent
57.8%13,690
Cecil ThomasRepublican
42.2%9,992
23,682 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