1984Final results
1984 election for Washington Legislative District 40
Washington State Senate · Washington
Lowell Peterson (D) won re-election with 55.6% of the vote, defeating Welts (R) by 11.2 points.
Lowell PetersonDemocrat · winner · incumbent
55.6%24,446
WeltsRepublican
44.4%19,532
43,978 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 1984
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)