The 1958 Arizona Senate election was held on November 4, 1958. Voters elected all 28 members of the Arizona Senate to serve two-year terms. At the time, each of Arizona's 14 counties elected two state senators for a total of 28 members of the Arizona Senate. Primary elections were held on September 9, 1958.

Prior to the elections, the Democrats held a supermajority of 26 seats over the Republicans' 2 seats.

Following the election, Democrats maintained control of the chamber and increased their supermajority by one seat to 27 Democrats to 1 Republican. The newly elected senators served in the 24th Arizona State Legislature, which met for two regular sessions at the State Capitol in Phoenix. The first opened on January 12, 1959, and adjourned on March 31; while the second convened on January 11, 1960, and adjourned on March 26.

Summary of Results by County County Incumbent Party Elected Senator Outcome Apache Lynn Lockhart Dem Lynn Lockhart Dem Hold Melvin C. Greer Dem Melvin C. Greer Dem Hold Cochise A. R. Spikes Dem A. R. Spikes Dem Hold Dan S. Kitchel Dem Dan S. Kitchel Dem Hold Coconino Robert W. Prochnow Dem Robert W. Prochnow Dem Hold Fred F. Udine Dem Fred F. Udine Dem Hold Gila Clarence L. Carpenter Dem Clarence L. Carpenter Dem Hold William A. Sullivan Dem William A. Sullivan Dem Hold Graham Wilford R. Richardson Dem Jim Smith Dem Hold W. B. Mattice Dem John Mickelson Dem Hold Greenlee M. L. (Marshall) Sims Dem M. L. (Marshall) Sims Dem Hold Carl Gale Dem Carl Gale Dem Hold Maricopa Joe Haldiman Jr. Dem Hilliard T. Brooke Dem Hold Frank G. Murphy Dem Frank G. Murphy Dem Hold Mohave Earle Cook Dem C. Clyde Bollinger Dem Hold Robert E. Morrow Dem Robert E. Morrow Dem Hold Navajo William R. Bourdon Rep Glenn BlansettDem Gain J. Morris Richards Dem J. Morris Richards Dem Hold Pima Hiram H. (Hi) Corbett Rep Hiram H. (Hi) Corbett Rep Hold Harry Ackerman Dem David Wine Dem Hold Pinal Ben Arnold Dem Ben Arnold Dem Hold Charles S. Goff Dem Charles S. Goff Dem Hold Santa Cruz Neilson Brown Dem Neilson Brown Dem Hold C. B. (Bert) Smith Dem C. B. (Bert) Smith Dem Hold Yavapai Charles H. (Chick) Orme, Sr. Dem Charles H. (Chick) Orme, Sr. Dem Hold David H. Palmer Dem David H. Palmer Dem Hold Yuma Harold C. Giss Dem Harold C. Giss Dem Hold Ray H. Thompson Dem Ray H. Thompson Dem Hold

Detailed Results Apache District • Cochise District • Coconino District • Gila District • Graham District • Greenlee District • Maricopa District • Mohave District • Navajo District • Pima District • Pinal District • Santa Cruz District • Yavapai District • Yuma District__NOTOC__ Apache District

Cochise District

Coconino District

Gila District

Graham District

Greenlee District

Maricopa District

Mohave District

Navajo District

Pima District

Pinal District

Santa Cruz District

Yavapai District

Yuma District

References