Akashic
1892–2024
Akashic
California 31st State Senate District
presidential margin
2008D+21.62012D+25.82016D+28.22020D+24.42024D+7.6
full record · 2008 → 2024
D+7.6
2024
median income$91,787U.S. $80,734 · CA $99,122
median age33.3U.S. 39.1 · CA 37.9
poverty rate11.6%U.S. 12.5% · CA 12.0%
bachelor’s+ (25+)25.6%U.S. 35.6% · CA 36.6%
non-english42.4%U.S. 22.3% · CA 44.4%
race · ethnicity · ancestry
Mexican53.4%
Salvadoran1.6%
Guatemalan1.3%
Aztec12.7%
German6.0%
English5.5%
Irish4.8%
African American†7.7%
African0.4%
Nigerian0.3%
Filipino2.7%
Chinese1.2%
Asian Indian0.9%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Riverside 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 Senate District

Akashic
California 31st State Senate DistrictHarrisD+7.6
2024
2024 presidential margin for California 31st State Senate DistrictThe boundary of California 31st State Senate District, filled by its 2024 presidential margin (D+7.6), over faint outlines of the counties it is drawn from.California 31st State Senate District · D+7.6
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic52.3%153,535
Donald TrumpRepublican44.7%131,131
Robert F. Kennedy Jr.American Independent3.1%8,981
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 Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Riverside County, CARepublicanR+1.3
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
52.3%Harris153,535
44.7%Trump131,131
3.1%Kennedy8,981
+7.6%
293,647
D
61.1%Biden202,958
36.7%Trump121,910
2.2%Jorgensen7,291
+24.4%
332,159
D
61.2%Clinton152,084
33.0%Trump81,956
5.8%Johnson14,446
+28.2%
248,486
D
62.9%Obama133,973
37.1%Romney78,952
0.0%
+25.8%
212,925
D
60.6%Obama122,903
39.0%McCain79,027
0.5%Nader925
+21.6%
202,855
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: +7.6% in 2024.+7.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+21.6%
2012+25.8%
2016+28.2%
2020+24.4%
2024+7.6%
DemocraticRepublican
current representation
Current officeholders
DSabrina CervantesState Senate · 31

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Covering parts of the Inland Empire and desert communities east of Los Angeles, this district recorded a 23-point Republican presidential margin in 2024 — an outlier in a state where most senate districts lean Democratic by double digits.

Across the recorded series it reached a Democratic high of 28.2 points in 2016. Between 2020 and 2024 the district moved 16.8 points toward the Republican candidate; the 2024 margin was 7.6 points.

A population of 950,526, a 28% non-Hispanic-white share, and a median household income of $91,787 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 29 and State Senate District 18.

Political twins — state-senate districts

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

State Senate District 29
California
98.9twin score
% Latinopopulation scale% White
State Senate District 18
California
97.4twin score
% Latinopopulation scale% White
State Senate District 14
California
96.3twin score
% Latinopopulation scale% White≠ median age

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 Senate District. Akashic. https://akashic.app/sld-upper/06031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions

How did California 31st State Senate District vote in 2024?
In 2024, California 31st State Senate District voted Democratic by 7.6 points (D+7.6), carried by the Democratic candidate. Out of 293,647 votes cast, 153,535 went Democratic and 131,131 went Republican.
How many people live in California 31st State Senate District?
California 31st State Senate District has a population of 950,526 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 Senate District?
Median household income in California 31st State Senate District is $91,787 — above the national median of $80,734. The California state median is $99,122.
What is the political history of California 31st State Senate District?
Akashic tracks 5 presidential elections in California 31st State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.