Arizona 1st State House 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. Roosevelt1932
69.2%
6,410 votes · D+40.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 66.8%
Republican
Ronald Reagan1984
70.6%
25,357 votes · R+42.9 · modeled estimate
Runner-up · Ronald Reagan, 1980 · 68.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
50,570votes
35.0% of the vote · R+28.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 49,308 votes
Republican
Donald Trump2024
99,021votes
66.1% of the vote · R+33.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 91,869 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
Franklin D. Roosevelt1932
+22.7pts D vs U.S.
Place D+40.5 · U.S. D+17.8 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · +20.4 pts
Republican
Barry Goldwater1964
+37.2pts R vs U.S.
Place R+14.6 · U.S. D+22.6 · modeled estimate
Runner-up · Ronald Reagan, 1980 · +35.2 pts
current representation
Current officeholders
RQuang NguyenState House · 1
RSelina BlissState House · 1
State legislative officeholder from OpenStates nightly current-legislator data.
Covering a slice of Pima County, this district posts some of Arizona's most consistent Democratic margins, reflecting the urban Tucson electorate's college-educated and Hispanic demographic mix.
Across the recorded series it reached a Democratic high of 40.5 points in 1932 and a Republican high of 45.0 points in 1980. Between 2020 and 2024 the district moved 4.6 points toward the Republican candidate; the 2024 margin was 33.2 points.
A population of 237,896, a 78% non-Hispanic-white share, and a median household income of $69,555 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 30 and State House District 31.
Akashic
Political twins — state-house districts
The state-house 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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Arizona 1st State House District. Akashic. https://akashic.app/sld-lower/04001/. Accessed May 20, 2026. License: CC BY 4.0.
How did Arizona 1st State House District vote in 2024?
In 2024, Arizona 1st State House District voted Republican by 33.2 points (R+33.2), carried by the Republican candidate. Out of 149,719 votes cast, 49,308 went Democratic and 99,021 went Republican.
When did Arizona 1st State House District last vote Democratic?
The most recent presidential election in which Arizona 1st State House District voted Democratic was 1948.
How many people live in Arizona 1st State House District?
Arizona 1st State House District has a population of 237,896 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Arizona 1st State House District?
Median household income in Arizona 1st State House District is $69,555 — below the national median of $80,734. The Arizona state median is $79,964.
What is the political history of Arizona 1st State House District?
Akashic tracks 38 presidential elections in Arizona 1st State House District from 1876 to 2024. Of those, 7 went Democratic and 22 went Republican.