The Senate consists of 30 members each representing an average of 219,859 constituents (2009 figures).

Members of the Republican Party are currently the majority in the Senate.

This districting system is similar to those of the Idaho and Washington State Senate.

The Senate convenes in the adjacent legislative chambers at the Arizona State Capitol in Phoenix.

[1] The current president of the Senate is Republican Warren Petersen of district 14, the Senate Majority Leader is Janae Shamp of district 29.