The Arizona Democratic Party is the affiliate of the Democratic Party

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 in Arizona. Its headquarters is in Phoenix

Phoenix, Arizona

Phoenix is the capital, and largest city, of the U.S. state of Arizona, as well as the sixth most populated city in the United States. Phoenix is home to 1,445,632 people according to the official 2010 U.S. Census Bureau data...

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The Arizona Democratic Party is organized into three parts, the state committee, the executive committee, and the executive board.
The state committee is composed of “the chairperson of each county committee of the Democratic Party of Arizona, plus one (1) member of the county committee for every three (3) members of the county committee elected pursuant to statute.”(ADPByLaws Art.