2010Flipped from DemocraticFinal resultsIncumbent defeated
2010 election for Utah Senate District 12
Utah State Senate · Utah
Daniel W. Thatcher (R) won with 53.2% of the vote, defeating Brent Goodfellow (D) by 6.5 points, a seat Democrats won last time.
Daniel W. ThatcherRepublican · winner
53.2%9,432
Brent GoodfellowDemocrat · incumbent
46.8%8,281
17,713 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 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET