2012Final results
2012 election for Colorado Senate District 18
Colorado State Senate · Colorado
Rollie Heath (D) won with 78.3% of the vote, defeating Barry P. Thoma (R) by 56.7 points.
Rollie HeathDemocrat · winner · incumbent
78.3%66,619
Barry P. ThomaRepublican
21.7%18,427
85,046 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