The Arizona City/County Management Association was established in 1954. It is a non-profit, professional organization dedicated to increasing the knowledge and ability of city, town, and county managers, as well as other local government administrators and to strengthen the quality of local government in the State of Arizona through professional management, education, training, and the mutual exchange of information.
The ACMA cooperates with the League of Arizona Cities and Towns, the International City/County Management Association, various public institutions of higher learning in Arizona, and other organizations dedicated to supporting and promoting local government management. The organization was incorporated in 1998. It currently has approximately 280 members and is staffed by the League of Arizona Cities and Towns.