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Arizona · Senate · State Legislature

The Arizona Senate Tossup

This is one of our least certain forecasts — state-legislative races have almost no district polling and many of these maps were redrawn. Read the range, not the midpoint. How this is modeled →

Forecast · candidate-independent chamber model

Republicans are favored to hold control of the Arizona Senate.

Chance of R control55 in 100Expected Democratic seats 14.5 of 3080% range 1216
D 1330 seats · 16 for a majorityR 17
PVIR+2
Seats up in 202630
Chamber size30
Majority threshold16
District by district

30 seats, one per district. Hover a district for its seat; the table below opens with the closest races and carries the exact values.

Rating band
Striped = seat changes partyModeled seats use forecast paint; legal carries and terrain remain explicitly distinct
Forecast margin — pale at Even, deep at safe

Census Bureau 2025 1:500,000 cartographic boundaries — simplified geometry for thematic mapping, not legal district lines.

DemocratRepublican
13Republican — 55 in 100Kristie O'BrienJulie WilloughbyR+1.2
23Brian Fernandez — 57 in 100Brian FernandezMichelle AltherrD+1.8
9Kiana Maria Sears — 62 in 100Kiana Maria SearsBridget FitzgibbonsD+3.1
4Carine Werner — 64 in 100Aaron LiebermanCarine WernerR+3.6
17Republican — 65 in 100Edgar SotoAnthony Dunham · Christopher KingR+3.9
2Republican — 72 in 100Amelia Gallitano · Daniel ToporekShawnna Bolick · Timothy John FerraraR+5.6
16Thomas "T.J." Shope — 83 in 100Elaine AldreteThomas "T.J." ShopeR+9.5
27Republican — 88 in 100Kyle ClaytonAnthony Kern · Kevin PayneR+11.4
12Patricia "Patty" Contreras — 95 in 100Patricia "Patty" Contreras · Anthony Jason Ramirez (O)D+16.1
29Janae Shamp — 97 in 100Eric StaffordJanae ShampR+18.5
The Race Feed · 1 item across Arizona races →