Akashic
1892–2024
Akashic
California 31st State House District
presidential margin
2008D+27.62012D+31.72016D+32.82020D+30.02024D+13.1
full record · 2008 → 2024
D+13.1
2024
median income$59,360U.S. $80,734 · CA $99,122
median age31.7U.S. 39.1 · CA 37.9
poverty rate23.9%U.S. 12.5% · CA 12.0%
bachelor’s+ (25+)24.3%U.S. 35.6% · CA 36.6%
non-english43.7%U.S. 22.3% · CA 44.4%
race · ethnicity · ancestry
Mexican59.0%
Salvadoran1.5%
Puerto Rican0.5%
German6.7%
English4.8%
Irish4.7%
Hmong4.0%
Asian Indian2.5%
Filipino1.5%
African American†5.6%
African0.3%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Fresno County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

California 31st State House District

Akashic
California 31st State House DistrictHarrisD+13.1
2024
2024 presidential margin for California 31st State House DistrictThe boundary of California 31st State House District, filled by its 2024 presidential margin (D+13.1), over faint outlines of the counties it is drawn from.California 31st State House District · D+13.1
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic55.2%66,592
Donald TrumpRepublican42.1%50,793
Robert F. Kennedy Jr.American Independent2.8%3,353
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for California 31st State House District — winner and D-vs-R margin.
CountyWinnerMargin
Fresno County, CARepublicanR+4.4
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
55.2%Harris66,592
42.1%Trump50,793
2.8%Kennedy3,353
+13.1%
120,738
D
64.0%Biden90,461
34.0%Trump48,045
2.0%Jorgensen2,869
+30.0%
141,375
D
63.7%Clinton69,250
31.0%Trump33,641
5.3%Johnson5,752
+32.8%
108,643
D
65.9%Obama63,778
34.1%Romney33,066
0.0%
+31.7%
96,844
D
63.4%Obama62,823
35.8%McCain35,434
0.9%Nader845
+27.6%
99,102
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +13.1% in 2024.+13.1%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+27.6%
2012+31.7%
2016+32.8%
2020+30.0%
2024+13.1%
DemocraticRepublican
current representation
Current officeholders
DJoaquin ArambulaState House · 31

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Anchored in the eastern Inland Empire and high desert, AD-31 delivered a 23-point Republican presidential margin in 2024 — an outlier in a state where most districts trend Democratic by similar or larger spreads.

Across the recorded series it reached a Democratic high of 32.8 points in 2016. Between 2020 and 2024 the district moved 16.9 points toward the Republican candidate; the 2024 margin was 13.1 points.

A population of 495,465, a 27% non-Hispanic-white share, and a median household income of $59,360 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 50 and Assembly District 45.

Political twins — state-house districts

The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Assembly District 50
California
98.8twin score
% Latinopopulation scale% White
Assembly District 45
California
98.0twin score
% Latinopopulation scale% White≠ % Asian
Assembly District 35
California
96.5twin score
% Latinopopulation scale% White≠ % Asian

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
California 31st State House District. Akashic. https://akashic.app/sld-lower/06031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within California 31st State House District

counties it covers1
Fresno County

Frequently asked questions

How did California 31st State House District vote in 2024?
In 2024, California 31st State House District voted Democratic by 13.1 points (D+13.1), carried by the Democratic candidate. Out of 120,738 votes cast, 66,592 went Democratic and 50,793 went Republican.
How many people live in California 31st State House District?
California 31st State House District has a population of 495,465 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in California 31st State House District?
Median household income in California 31st State House District is $59,360 — below the national median of $80,734. The California state median is $99,122.
What is the political history of California 31st State House District?
Akashic tracks 5 presidential elections in California 31st State House District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.