Arizona 28th 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
50.6%
1,593 votes · D+3.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 46.6%
Republican
Ronald Reagan1984
81.6%
36,917 votes · R+63.7 · modeled estimate
Runner-up · Richard Nixon, 1972 · 80.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
55,348votes
38.0% of the vote · R+23.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 54,336 votes
Republican
Donald Trump2024
88,955votes
61.1% of the vote · R+23.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 87,637 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
−1.9pts D vs U.S.
Place D+17.7 · U.S. D+19.5 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · −20.6 pts
Republican
Barry Goldwater1964
+56.1pts R vs U.S.
Place R+33.5 · U.S. D+22.6 · modeled estimate
Runner-up · Gerald Ford, 1976 · +52.1 pts
current representation
Current officeholders
RFrank CarrollState Senate · 28
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
R
48.9%47,657
51.1%49,873
97,530
Anchored in rural and exurban terrain southwest of Phoenix, this district has posted lopsided Republican margins in recent cycles, making it among the least competitive seats in the Arizona Senate.
Across the recorded series it reached a Democratic high of 17.7 points in 1912 and a Republican high of 63.7 points in 1984. The 2024 margin was 23.1 points.
A population of 228,803, a 80% non-Hispanic-white share, and a median household income of $87,326 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 3.
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 28th State Senate District. Akashic. https://akashic.app/sld-upper/04028/. Accessed May 20, 2026. License: CC BY 4.0.
How did Arizona 28th State Senate District vote in 2024?
In 2024, Arizona 28th State Senate District voted Republican by 23.1 points (R+23.1), carried by the Republican candidate. Out of 145,701 votes cast, 55,348 went Democratic and 88,955 went Republican.
When did Arizona 28th State Senate District last vote Democratic?
The most recent presidential election in which Arizona 28th State Senate District voted Democratic was 1936.
How many people live in Arizona 28th State Senate District?
Arizona 28th State Senate District has a population of 228,803 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Arizona 28th State Senate District?
Median household income in Arizona 28th State Senate District is $87,326 — above the national median of $80,734. The Arizona state median is $79,964.
What is the political history of Arizona 28th State Senate District?
Akashic tracks 38 presidential elections in Arizona 28th State Senate District from 1876 to 2024. Of those, 2 went Democratic and 27 went Republican.