- Lead
- 23,056
- Total
- 126,719
- vs nation
- R+16.7
Arizona 29th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14,298
- Total
- 116,256
- vs nation
- R+16.8
- Lead
- 14,069
- Total
- 83,895
- vs nation
- R+18.9
- Lead
- 18,768
- Total
- 75,442
- vs nation
- R+28.7
- Lead
- 18,560
- Total
- 75,173
- vs nation
- R+32.0
- Lead
- 18,965
- Total
- 65,768
- vs nation
- R+26.4
- Lead
- 11,919
- Total
- 49,219
- vs nation
- R+24.7
- Lead
- 7,273
- Total
- 44,338
- vs nation
- R+24.9
Key facts
- 2024 presidential margin
- R+18.2MIT Election Lab
- Population
- 240,1022024 5-year
- Population density
- 621 / sq mi2024 5-year · TIGER/Line
- Land area
- 387 sq miTIGER/Line
- Median household income
- $92,4942024 5-year
- White (non-Hispanic)
- 58.3%2024 5-year
- Black
- 5.6%2024 5-year
- Hispanic / Latino
- 27.1%2024 5-year
- Peak Democratic margin
- D+26.7 in 1912MIT Election Lab
- Peak Republican margin
- R+56.1 in 1984MIT Election Lab
- Most similar
- State Senate District 25, AZ · twin score 95.5
presidential history
Party record book
Arizona 29th State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1912–2024 · 29 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
60.5%
1,382 votes · D+24.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 58.8%
Republican
Ronald Reagan1984
77.6%
25,551 votes · R+56.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 75.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
50,836votes
40.1% of the vote · R+18.2 · modeled estimate
Runner-up · Joe Biden, 2020 · 50,150 votes
Republican
Donald Trump2024
73,892votes
58.3% of the vote · R+18.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 64,448 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Woodrow Wilson1912
+7.1pts D vs U.S.
Place D+26.7 · U.S. D+19.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · +0.5 pts
Republican
Barry Goldwater1964
+45.6pts R vs U.S.
Place R+23.0 · U.S. D+22.6 · modeled estimate
Runner-up · Gerald Ford, 1976 · +42.4 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in the high-desert communities southeast of Tucson, this district has delivered double-digit Republican margins in recent cycles, making it a low-competition seat that shapes the chamber's conservative caucus arithmetic.
Across the recorded series it reached a Democratic high of 26.7 points in 1912 and a Republican high of 56.1 points in 1984. Between 2020 and 2024 the district moved 5.9 points toward the Republican candidate; the 2024 margin was 18.2 points.
A population of 240,102, a 58% non-Hispanic-white share, and a median household income of $92,494 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 25 and State Senate District 25.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Arizona 29th State Senate District. Akashic. https://akashic.app/sld-upper/04029/. Accessed May 20, 2026. License: CC BY 4.0.