Arizona 9th 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
65.7%
1,464 votes · D+37.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 63.4%
Republican
Ronald Reagan1984
71.1%
18,475 votes · R+44.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 66.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
47,792votes
51.7% of the vote · D+5.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 43,311 votes
Republican
Donald Trump2020
42,453votes
45.9% of the vote · D+5.8 · modeled estimate
Runner-up · Donald Trump, 2024 · 40,742 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
John W. Davis1924
+21.6pts D vs U.S.
Place R+3.6 · U.S. R+25.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · +13.4 pts
Republican
Barry Goldwater1964
+29.7pts R vs U.S.
Place R+7.1 · U.S. D+22.6 · modeled estimate
Runner-up · Ronald Reagan, 1980 · +28.5 pts
current representation
Current officeholders
DKiana SearsState Senate · 9
State legislative officeholder from OpenStates nightly current-legislator data.
Arizona 9th State Senate District sits in the desert Southwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 37.6 points in 1936 and a Republican high of 44.0 points in 1984. Between 2020 and 2024 the district moved 2.8 points toward the Republican candidate; the 2024 margin was 3.0 points.
A population of 238,117, a 47% non-Hispanic-white share, and a median household income of $70,322 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 2 and State Senate District 27.
Akashic
Political twins — state-senate districts
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.
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 9th State Senate District. Akashic. https://akashic.app/sld-upper/04009/. Accessed May 20, 2026. License: CC BY 4.0.
How did Arizona 9th State Senate District vote in 2024?
In 2024, Arizona 9th State Senate District voted Democratic by 3.0 points (D+3.0), carried by the Democratic candidate. Out of 85,494 votes cast, 43,311 went Democratic and 40,742 went Republican.
When did Arizona 9th State Senate District last vote Republican?
The most recent presidential election in which Arizona 9th State Senate District voted Republican was 2016.
How many people live in Arizona 9th State Senate District?
Arizona 9th State Senate District has a population of 238,117 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Arizona 9th State Senate District?
Median household income in Arizona 9th State Senate District is $70,322 — below the national median of $80,734. The Arizona state median is $79,964.
What is the political history of Arizona 9th State Senate District?
Akashic tracks 38 presidential elections in Arizona 9th State Senate District from 1876 to 2024. Of those, 8 went Democratic and 20 went Republican.