Clarence L. Carpenter[1] Democratic Clarence L. Carpenter[2] Democratic 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.

Following the election, Democrats maintained control of the chamber and increased their supermajority by one seat to 27 Democrats to 1 Republican.

[4] The newly elected senators served in the 24th Arizona State Legislature, which met for two regular sessions at the State Capitol in Phoenix.