Akashic
1892–2024
Akashic
San Diego
presidential margin
2008D+10.22012D+7.62016D+19.62020D+22.82024D+16.8
full record · 1892 → 2024
D+16.8
2024
median income$106,268U.S. $80,734 · CA $99,122
median age37.3U.S. 39.1 · CA 37.9
poverty rate10.3%U.S. 12.5% · CA 12.0%
bachelor’s+ (25+)43.2%U.S. 35.6% · CA 36.6%
non-english37.3%U.S. 22.3% · CA 44.4%
race · ethnicity · ancestry
German9.1%
English8.0%
Irish7.8%
Mexican29.7%
Puerto Rican0.8%
Guatemalan0.6%
Filipino4.6%
Chinese2.0%
Asian Indian1.5%
African American†3.2%
African0.4%
Jamaican0.2%
Aztec0.3%
Maya0.2%
religion
other traditions
Muslim1.5%
Mainline1.5%
Other Christian1.4%
Buddhist0.7%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

San Diego, California

Akashic
San DiegoHarrisD+16.8
—
2024 presidential margin by county for San Diego, CAA map of the single county of San Diego, CA, outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.San Diego County, CA · D+16.8
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic56.9%841,372
Donald TrumpRepublican40.1%593,270
Robert F. Kennedy Jr.American Independent2.9%43,144
D+60
R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for San Diego, CA — winner and D-vs-R margin.
CountyWinnerMargin
San Diego County, CADemocraticD+16.8
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
56.9%Harris841,372
40.1%Trump593,270
2.9%Kennedy43,144
+16.8%
1,477,786
D
60.2%Biden964,650
37.5%Trump600,094
2.3%Jorgensen37,399
+22.8%
1,602,143
D
56.1%Clinton735,476
36.4%Trump477,766
7.5%Johnson98,376
+19.6%
1,311,618
D
52.5%Obama626,957
45.0%Romney536,726
2.5%Johnson30,266
+7.6%
1,193,949
D
54.0%Obama666,581
43.8%McCain541,032
2.3%Nader27,890
+10.2%
1,235,503
R
46.3%Kerry526,437
52.5%Bush596,033
1.2%Badnarik13,881
−6.1%
1,136,351
R
45.7%Gore437,666
49.6%Bush475,736
4.7%Nader45,232
−4.0%
958,634
R
44.1%Clinton389,964
45.6%Dole402,876
10.3%Perot91,311
−1.5%
884,151
D
37.2%Clinton367,397
35.7%Bush352,125
27.1%Perot267,124
+1.5%
986,646
R
38.3%Dukakis333,264
60.2%Bush523,143
1.5%Paul12,788
−21.8%
869,195
R
33.4%Mondale257,029
65.3%Reagan502,344
1.3%Bergland9,894
−31.9%
769,267
R
27.3%Carter195,410
60.8%Reagan435,910
11.9%Anderson85,546
−33.5%
716,866
R
41.6%Carter263,654
55.7%Ford353,302
2.7%Macbride16,839
−14.1%
633,795
R
34.3%McGovern206,455
61.8%Nixon371,627
3.8%Schmitz23,055
−27.5%
601,137
R
36.1%Humphrey167,669
56.3%Nixon261,540
7.7%Wallace35,654
−20.2%
464,863
R
49.7%Johnson211,808
50.3%Goldwater214,445
0.0%Hass33
−0.6%
426,286
R
43.3%Kennedy171,259
56.4%Nixon223,056
0.3%Byrd1,106
−13.1%
395,421
R
35.1%Stevenson106,716
64.5%Eisenhower195,742
0.4%Andrews1,147
−29.3%
303,605
R
36.5%Stevenson101,880
62.9%Eisenhower175,281
0.6%Hallinan1,590
−26.3%
278,751
R
47.8%Truman98,217
49.4%Dewey101,552
2.8%Thurmond5,690
−1.6%
205,459
D
53.9%Roosevelt89,959
45.4%Dewey75,746
0.6%Thomas1,059
+8.5%
166,764
D
55.6%Roosevelt71,188
43.3%Willkie55,434
1.2%Thomas1,488
+12.3%
128,110
D
63.5%Roosevelt64,628
35.0%Landon35,686
1.5%Lemke1,540
+28.4%
101,854
D
53.6%Roosevelt45,622
41.5%Hoover35,305
5.0%Thomas4,223
+12.1%
85,150
R
32.0%Smith22,749
67.1%Hoover47,769
0.9%Thomas633
−35.2%
71,151
R
6.3%Davis2,944
49.0%Coolidge22,726
44.7%La Follette20,721
−42.6%
46,391
R
27.3%Cox8,478
63.8%Harding19,826
9.0%Debs2,783
−36.5%
31,087
R
46.0%Wilson16,815
46.5%Hughes16,978
7.5%Benson2,744
−0.4%
36,537
O
44.8%Wilson9,731
0.0%Taft0
55.2%Roosevelt11,997
Roosevelt +10.4
21,728
R
25.4%Bryan2,393
57.6%Taft5,412
17.0%Debs1,598
−32.1%
9,403
R
19.3%Parker1,398
59.5%Roosevelt4,303
21.1%Debs1,529
−40.2%
7,230
R
38.7%Bryan2,678
54.9%McKinley3,800
6.4%Woolley443
−16.2%
6,921
D
50.4%Bryan3,908
46.9%McKinley3,631
2.7%Palmer209
+3.6%
7,748
R
30.3%Cleveland2,334
45.7%Harrison3,525
24.0%Weaver1,853
−15.4%
7,712
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: +16.8% in 2024.flipped D · 2008+16.8%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−15.4%
1896+3.6%
1900−16.2%
1904−40.2%
1908−32.1%
1912+44.8%
1916−0.4%
1920−36.5%
1924−42.6%
1928−35.2%
1932+12.1%
1936+28.4%
1940+12.3%
1944+8.5%
1948−1.6%
1952−26.3%
1956−29.3%
1960−13.1%
1964−0.6%
1968−20.2%
1972−27.5%
1976−14.1%
1980−33.5%
1984−31.9%
1988−21.8%
1992+1.5%
1996−1.5%
2000−4.0%
2004−6.1%
2008+10.2%
2012+7.6%
2016+19.6%
2020+22.8%
2024+16.8%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in San DiegoRegistered voters by party of registration, 2022–2024. Latest total 1,938,487 in 2024.484.6K969.2K1.5M1.9M1.9M20222024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in San Diego
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
20221,909,948792,164516,517467,881133,386
20241,938,487797,970536,500457,212146,805
Source: California Secretary of State

San Diego's media market spans a dense military and tech workforce alongside fast-growing inland suburbs, producing competitive margins in federal and statewide races even as registration trends Democratic by roughly 10 points.

Across the recorded series it reached a Democratic high of 44.8 points in 1912 and a Republican high of 42.6 points in 1924. Between 2020 and 2024 the market moved 6.0 points toward the Republican candidate; the 2024 margin was 16.8 points.

A population of 3,288,774, a 42% non-Hispanic-white share, and a median household income of $106,268 describe the market. The market's voting pattern over the last decade is most similar to that of Austin and Sacramento-Stockton-Modesto.

Political twins — media markets

The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Austin
Texas
92.1twin score
12-yr trend2016–2024 trajectory≠ % Asian
Sacramento-Stockton-Modesto
California
90.4twin score
% Asian2016–2024 trajectory≠ 12-yr trend
Santa Barbara-Santa Maria-San Luis Obispo
California
89.7twin score
12-yr trend2016–2024 trajectory≠ % 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 →

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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
San Diego, California. Akashic. https://akashic.app/dma/825/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within San Diego

counties1
San Diego County

Frequently asked questions

How did San Diego, California vote in 2024?
In 2024, San Diego, California voted Democratic by 16.8 points (D+16.8), carried by the Democratic candidate. Out of 1,477,786 votes cast, 841,372 went Democratic and 593,270 went Republican.
When did San Diego, California last vote Republican?
The most recent presidential election in which San Diego, California voted Republican was 2004.
How many people live in San Diego, California?
San Diego, California has a population of 3,288,774 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in San Diego, California?
Median household income in San Diego, California is $106,268 — above the national median of $80,734. The California state median is $99,122.
What is the political history of San Diego, California?
Akashic tracks 34 presidential elections in San Diego, California from 1892 to 2024. Of those, 11 went Democratic and 22 went Republican.