Horizon · our Election Day forecast: polls, plus fundamentals like incumbency, fundraising and past results.

Pulse · polls only: where the races stand today, with no fundamentals and wider uncertainty.

What's the difference?

Arizona › Arizona House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026

Arizona Legislative District 3

2 seats

Reim is very likely to win: Reim wins in 49 of every 50 simulations.

Gable (D)
1%
chance of winning
Reim (R)
99%
Average margin
R+17.6
80% of outcomes
R+27 to R+8
Partisan lean
R+24
Polls
No pollsmodel only

Reim is very likely to win: Reim wins in 19 of every 20 simulations.

Gable (D)
4%
chance of winning
Reim (R)
96%
Average margin
R+18.7
80% of outcomes
R+32 to R+6
Partisan lean
R+24
Polls
No pollsmodel only

2 seats in this district

0.0 D · 2.0 R expected of 2 seats

0.1 D · 1.9 R expected of 2 seats

How this race is decided

Two representatives per district

Each legislative district elects one senator and two House members. Voters may pick up to two House candidates and the top two finishers win, so a district can split between the parties.

Range of outcomes

Final margin across our simulations; the white dashes mark the middle 80%.

R+17.6R+40R+20EvenD+20D+40
R+18.7R+40R+20EvenD+20D+40

How the odds have moved

Chance of winning by forecast date.

0%25%50%75%100%AugSepOctNovNov 3Gable 1%Reim 99%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

0%25%50%75%100%AugSepOctNovNov 3Gable 4%Reim 96%

Updated nightly. Each day is the current model run on the polls that had ended by then (how).

The candidates

What goes into the forecast

Every ingredient's estimate of the final margin.

National environment
D+9.5Election Day forecast
Arizona state offices
+0.3Polls for governor, statewide and legislative races · details
Environment here
D+9.8Used by the fundamentals
Swing reaching this office
58%Of a shift in the environment, from past legislative races since 2016
Southwest adjustment
−1.5How legislative races in the region have run against lean and environment lately
← RepublicanDemocratic →Lean + environmentUsual vote, shifted by 58% of the environment andthe Southwest adjustmentR+16.1Fundamentals modelAdds incumbency, past results, money andexperienceR+17.2Polls in similar placesPolling of similar races in Arizona and look-alikeplacesR+17.8Polling averageNo polls of this racenot availableHorizon forecastPolls + fundamentals, projected to Election DayR+17.6Pulse forecastPolls (and polling of similar places) only, todayR+18.6

Each estimate is a margin before national and statewide uncertainty is simulated. Horizon blends polls, fundamentals and a little of the similar-places estimate, weighting each by how precise it is; Pulse uses polls and similar places only.

Fundamentals inputs
Incumbency (+1 D, −1 R)-1
Fundraising edge (log ratio of individual money)0.5
Elected-experience edge-0.67
First-term incumbent0
Seat's last result vs. expectation0.69
Incumbent's last result vs. expectation0

Polls

No public polls of this race. The forecast relies on fundamentals and on polling of similar places in the state.

The district

Lean R+24: how much more Democratic or Republican than the nation it votes for president.

Presidential vote

← RepublicanDemocratic →2016 presidentR+26.7R+28.9 vs. nation2020 presidentR+21.1R+25.6 vs. nation2024 presidentR+24.7R+23.2 vs. nation

Precinct results re-aggregated to the current district lines.

Who lives here

Population
233,853
People per km²
61
Adults with a B.A.+
58%
White, no degree
36%of adults
  • White 82%
  • Hispanic 7%
  • Black 1%
  • Asian 5%
  • Other / multiracial 5%

American Community Survey 2020–2024, aggregated from census tracts.

Past results

Results in the same-numbered district; earlier elections may have used different lines.

2024

238,177 votes · R+25.7
✓ Joseph Chaplik (R)39.3%
✓ Alexander Kolodin (R)37.2%
Richard Corles (D)23.2%

2024 President Vote in this district

161,951 two-party votes · R+24.7 · R+23.2 vs. the nation
✓ Donald Trump (R)62.3%
Kamala Harris (D)37.7%

2022

156,724 votes · Uncontested by the other party
✓ Joseph Chaplik (R)50.0%
✓ Alexander Kolodin (R)46.0%
Write-In (—)2.0%
Not Qualified 1 (—)1.0%

2020 Earlier district lines

97,514 votes · Uncontested by the other party
✓ Alma Hernandez (D)50.3%
✓ Andres Cano (D)49.7%

2020 President Vote in this district

159,532 two-party votes · R+21.1 · R+25.6 vs. the nation
✓ Donald Trump (R)60.6%
Joe Biden (D)39.4%

2016 President Vote in this district

119,139 two-party votes · R+26.7 · R+28.9 vs. the nation
✓ Donald Trump (R)63.3%
Hillary Clinton (D)36.7%