2010Final results
2010 election for Arizona Legislative District 18
Arizona State Senate · Arizona
Russell Pearce (R) won with 56.6% of the vote, defeating Andrew Sherwood (D) by 22.2 points.
Russell PearceRepublican · winner · incumbent
56.6%17,552
Andrew SherwoodDemocrat
34.4%10,663
Andrea GarciaLibertarian
9.1%2,808
31,023 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