While the Senate remained at 19 members, the size of the House was increased from 35 to 39, with 3 additional representatives added to Maricopa County, and an additional representative for Pinal County.

[1] The Legislature met for the regular session at the State Capitol in Phoenix on January 10, 1921; and adjourned on March 10.

[2] A special session was convened on February 15, 1922, and was adjourned on April 15.

[3] One of the most significant pieces was the creation of the Arizona Industrial Commission in 1921.

At the prompting of Governor Campbell, the Republican-held Senate introduced a bill to establish 8 cabinet level departments: Military Affairs, Finance, Agriculture, Public Welfare, Public Works and Buildings, Reclamation and Irrigation, Education and Registration, and Labor and Industry.