The 2018 Arizona Senate election took place on November 6, 2018, with the primary election held on August 28, 2018. Arizona voters elected all 30 members of the Arizona Senate to serve two-year terms.
The election coincided with United States national elections and Arizona state elections, including U.S. Senate, U.S. House, Arizona governor and Arizona House.
Following the previous election in 2016, Republicans held a 17-to-13-seat majority over Democrats. Republicans maintained their unchanged 17-to-13 majority in 2018. The newly elected members served in the 54th Arizona State Legislature, during which Republican Karen Fann was elected President of the Arizona Senate.
Retiring incumbents
Democrats
- District 3: Olivia Cajero Bedford (term-limited)
- District 9: Steve Farley
- District 24: Katie Hobbs
- District 27: Catherine Miranda
- District 30: Robert Meza (term-limited)
Republicans
- District 11: Steve Smith
- District 12: Warren Petersen
- District 14: Gail Griffin (term-limited)
- District 15: Nancy Barto (term-limited)
- District 17: Steve Yarbrough (term-limited)
- District 20: Kimberly Yee
- District 22: Judy Burges (term-limited)
- District 23: John Kavanagh
- District 25: Bob Worsley
Predictions
Summary of results
Italics denote an open seat held by the incumbent party; bold text denotes a gain for a party.
Detailed results
District 1
District 2
District 3
District 4
District 5
District 6
District 7
District 8
District 9
District 10
District 11
District 12
District 13
District 14
District 15
District 16
District 17
District 18
District 19
District 20
District 21
District 22
District 23
District 24
District 25
District 26
District 27
District 28
District 29
District 30
See also
Notes
References