The 2016 Arizona Senate election was held on November 8, 2016. Voters elected members of the Arizona Senate in all 30 of the state's legislative districts to serve a two-year term. Primary elections were held on August 30, 2016.^[4]

Quick Facts All 30 seats of the Arizona Senate 16 seats needed for a majority, Majority party ...

2016 Arizona Senate election

← 2014 November 8, 2016 2018 →
All 30 seats of the Arizona Senate 16 seats needed for a majority
Majority party Minority party   Leader Steve Yarbrough Katie Hobbs Party Republican Democratic Leader's seat 17th 24th Last election 17 13 Seats before 18[lower-alpha 1] 12[lower-alpha 1] Seats after 17 13 Seat change 1 1
Results:      Democratic hold      Democratic gain      Republican hold      Republican gain
Senate President before election Andy Biggs[1] Republican Elected Senate President Steve Yarbrough[2][3] Republican

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Prior to the elections, the Republicans held a majority of 18 seats over the Democrats' 12 seats. Note that, following the 2014 Arizona Senate election, Republicans held only 17 seats; however, Senator Carlyle Begay switched parties during his term in office, which increased Republicans from 17 to 18 in the Arizona Senate by election day in 2016.^{[lower-alpha 1]}

Following the election, Republicans maintained control of the chamber with 17 Republicans to 13 Democrats, a net gain of one seat for Democrats.^[5]

The newly elected senators served in the 53rd Arizona State Legislature.