Both the Senate and the House membership remained constant at 30 and 60, respectively.

The Republicans managed to regain control of the Senate by picking up two seats, giving them a 16–14 edge in the upper house.

In the lower chamber, the Republicans increased their majority by 4 seats, giving them a 42–18 margin.

The Legislature met for two regular sessions at the State Capitol in Phoenix.

[1]: i [2]: i  There was a single special sessions which convened on November 12, 1979, and adjourned sine die on April 3, 1980.