2018Final results
2018 election for Washington Legislative District 12-1
Washington House of Representatives · Washington
Keith Goehner (R) won with 55.7% of the vote, defeating Ann Diamond (Ind) by 11.4 points.
Keith GoehnerRepublican · winner
55.7%32,581
Ann DiamondIndependent
44.3%25,935
58,516 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET