Session of the Arizona Legislature
The 9th Arizona State Legislature, consisting of the Arizona State Senate and the Arizona House of Representatives, was constituted from January 1, 1929, to December 31, 1930, during the first and second years of John Calhoun Phillips's tenure as Governor of Arizona, in Phoenix. The number of senators remained constant at 19, while the number of representatives increased from 52 to 54. The Democrats held large majorities in both houses, although the Republicans made significant inroads in the House.