2018Flipped from RepublicanFinal resultsSpecial election
2018 special election for Utah Senate District 8
Utah State Senate · Utah
Kathleen Riebe (D) won with 55.8% of the vote, defeating Brian Zehnder (R) by 14.2 points, flipping a seat Republicans held.
Kathleen RiebeDemocrat · winner
55.8%23,221
Brian ZehnderRepublican
41.7%17,328
John JacksonOther party
2.5%1,053
41,602 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 2018
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)