2012Final results
2012 election for Kansas Senate District 34
Kansas State Senate · Kansas
Terry Bruce (R) won with 59.9% of the vote, defeating Mark R. Treaster (D) by 19.8 points.
Terry BruceRepublican · winner · incumbent
59.9%16,007
Mark R. TreasterDemocrat
40.1%10,711
26,718 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET