1990Flipped from RepublicanFinal resultsIncumbent defeated
1990 election for Utah Senate District 12
Utah State Senate · Utah
Millie M. Peterson (D) won with 53.1% of the vote, defeating Bill Barton (R) by 6.2 points, a seat Republicans won last time.
Millie M. PetersonDemocrat · winner
53.1%6,057
Bill BartonRepublican · incumbent
46.9%5,345
11,402 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET