2010Final results
2010 election for Arizona Legislative District 15
Arizona State Senate · Arizona
Kyrsten Sinema (D) won with 62.8% of the vote, defeating Bob Thomas (R) by 25.6 points.
Kyrsten SinemaDemocrat · winner
62.8%18,013
Bob ThomasRepublican
37.2%10,663
28,676 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