The 1990 Arizona Senate election was held on November 6, 1990. 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 September 11, 1990.
Prior to the elections, the Republicans held a majority of 17 seats over the Democrats' 13 seats.
Following the election, Democrats flipped control of the chamber and took a majority of 17 Democrats to 13 Republicans, a net gain of four seats for Democrats.
The newly elected senators served in the 40th Arizona State Legislature.
Retiring Incumbents Democrats District 2: Tony Gabaldon Republicans District 12: John T. Mawhinney District 14: William J. "Bill" DeLong District 24: Pete Corpstein District 28: Robert B. Usdane
Incumbents Defeated in Primary Elections Republicans District 1: John Hays District 21: Jerry Gillespie
Incumbents Defeated in General Elections Democrats District 5: Jones Osborn Republicans District 9: Jeffrey J. Hill District 16: Wayne Stump District 18: Leo Corbet District 25: Jacque Steiner
Summary of Results by Arizona State Legislative District District Incumbent Party Elected Senator Outcome 1st John U. Hays Rep Carol Springer Rep Hold 2nd Tony Gabaldon Dem Karan English Dem Hold 3rd James Henderson Jr. Dem James Henderson Jr. Dem Hold 4th A.V. "Bill" Hardt Dem A.V. "Bill" Hardt Dem Hold 5th Jones Osborn Dem Jim BusterRep Gain 6th Alan J. Stephens Dem Alan J. Stephens Dem Hold 7th Peter Rios Dem Peter Rios Dem Hold 8th Gus Arzberger Dem Gus Arzberger Dem Hold 9th Jeffrey J. Hill Rep John E. DoughertyDem Gain 10th Jesus "Chuy" Higuera Dem Jesus "Chuy" Higuera Dem Hold 11th Jaime P. Gutierrez Dem Jaime P. Gutierrez Dem Hold 12th John T. Mawhinney Rep Ann Day Rep Hold 13th David C. Bartlett Dem David C. Bartlett Dem Hold 14th William J. "Bill" DeLong Rep Cindy ResnickDem Gain 15th Bob Denny Rep Bob Denny Rep Hold 16th Wayne Stump Rep Stan FurmanDem Gain 17th Patricia "Pat" Wright Rep Patricia "Pat" Wright Rep Hold 18th Leo Corbet Rep Nancy L. HillDem Gain 19th Jan Brewer Rep Jan Brewer Rep Hold 20th Lela Alston Dem Lela Alston Dem Hold 21st Jerry Gillespie Rep Matt Salmon Rep Hold 22nd Manuel "Lito" Peña Jr. Dem Manuel "Lito" Peña Jr. Dem Hold 23rd Carolyn Walker Dem Carolyn Walker Dem Hold 24th Pete Corpstein Rep John Greene Rep Hold 25th Jacque Steiner Rep Chuck BlanchardDem Gain 26th Tom Patterson Rep Tom Patterson Rep Hold 27th Doug Todd Rep Doug Todd Rep Hold 28th Robert B. Usdane Rep Ed Phillips Rep Hold 29th Lester N. Pearce Rep Lester N. Pearce Rep Hold 30th James J. Sossaman Rep James J. Sossaman Rep Hold
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__NOTOC__
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
References