The 2004 Arizona Senate election was held on November 2, 2004. Voters elected members of the Arizona Senate in all 30 of the state's legislative districts to serve a two-year term. Primary elections were held on September 7, 2004.
Prior to the elections, the Republicans held a majority of 17 seats over the Democrats' 13 seats.
Following the election, Republicans maintained control of the chamber with 18 Republicans to 12 Democrats, a net gain of one seat for Republicans.
The newly elected senators served in the 47th Arizona State Legislature.
Retiring Incumbents
Democrats
- District 5: Jack A. Brown
- District 23: Pete Rios
Republicans
- District 3: Linda Binder
- District 10: Jim Weiers
- District 18: Mark Anderson
Incumbent Defeated in Primary Election
Republican
- District 20: Slade Mead
Predictions
Detailed Results
District 1
District 2
District 3
District 4
District 5
District 6
District 7
District 8
District 9
District 10
District 11
District 12
District 13
District 14
District 15
District 16
District 17
District 18
District 19
District 20
District 21
District 22
District 23
District 24
District 25
District 26
District 27
District 28
District 29
District 30
References