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.
Santa Barbara-Santa Maria-San Luis Obispo, California
Akashic
Santa Barbara-Santa Maria-San Luis ObispoHarrisD+19.6
18922024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
58.3%
195,463
Donald TrumpRepublican
38.7%
129,802
Robert F. Kennedy Jr.American Independent
3.0%
10,216
D+60R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (2 counties) — table
2024 presidential result by county for Santa Barbara-Santa Maria-San Luis Obispo, CA — winner and D-vs-R margin.
County
Winner
Margin
San Luis Obispo County, CA
Democratic
D+10.9
Santa Barbara County, CA
Democratic
D+26.7
Akashic
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
D
58.3%Harris195,463
38.7%Trump129,802
3.0%Kennedy10,216
+19.6%
335,481
D
60.4%Biden218,273
36.9%Trump133,172
2.7%Jorgensen9,701
+23.6%
361,146
D
55.1%Clinton174,249
35.6%Trump112,529
9.3%Johnson29,302
+19.5%
316,080
D
53.6%Obama155,387
43.0%Romney124,573
3.4%Johnson9,891
+10.6%
289,851
D
56.3%Obama173,790
41.0%McCain126,640
2.6%Nader8,132
+15.3%
308,562
D
49.9%Kerry149,056
48.4%Bush144,801
1.7%Badnarik5,054
+1.4%
298,911
R
44.7%Gore117,937
48.6%Bush128,352
6.7%Nader17,571
−3.9%
263,860
D
44.2%Clinton111,045
44.0%Dole110,648
11.8%Perot29,552
+0.2%
251,245
D
40.9%Clinton109,351
35.1%Bush93,759
24.0%Perot64,265
+5.8%
267,375
R
43.8%Dukakis99,253
54.8%Bush124,137
1.3%Paul3,017
−11.0%
226,407
R
35.7%Mondale78,189
63.1%Reagan138,349
1.2%Bergland2,732
−27.4%
219,270
R
30.8%Carter61,158
54.5%Reagan108,260
14.7%Anderson29,104
−23.7%
198,522
R
45.9%Carter79,944
50.9%Ford88,707
3.2%Macbride5,491
−5.0%
174,142
R
41.4%McGovern71,388
55.4%Nixon95,641
3.2%Schmitz5,545
−14.1%
172,574
R
40.7%Humphrey53,393
52.9%Nixon69,488
6.4%Wallace8,420
−12.3%
131,301
D
57.1%Johnson70,633
42.8%Goldwater52,926
0.1%Hass113
+14.3%
123,672
R
43.7%Kennedy44,384
55.9%Nixon56,667
0.4%Byrd406
−12.1%
101,457
R
37.2%Stevenson28,332
62.3%Eisenhower47,517
0.5%Andrews383
−25.2%
76,232
R
33.3%Stevenson23,554
66.1%Eisenhower46,717
0.5%Hallinan363
−32.8%
70,634
R
39.5%Truman21,220
56.5%Dewey30,323
4.0%Thurmond2,161
−17.0%
53,704
D
52.4%Roosevelt23,789
47.2%Dewey21,440
0.4%Thomas164
+5.2%
45,393
D
54.1%Roosevelt25,736
44.8%Willkie21,311
1.2%Thomas551
+9.3%
47,598
D
61.1%Roosevelt23,812
37.3%Landon14,540
1.5%Lemke599
+23.8%
38,951
D
60.3%Roosevelt21,306
34.8%Hoover12,313
4.9%Thomas1,734
+25.4%
35,353
R
32.2%Smith8,290
66.5%Hoover17,091
1.3%Thomas338
−34.2%
25,719
R
9.4%Davis1,973
58.9%Coolidge12,419
31.7%La Follette6,687
−49.6%
21,079
R
24.6%Cox4,192
65.0%Harding11,093
10.4%Debs1,769
−40.5%
17,054
D
49.7%Wilson8,737
41.6%Hughes7,307
8.7%Benson1,524
+8.1%
17,568
O
39.6%Wilson5,067
0.0%Taft0
60.4%Roosevelt7,744
Roosevelt +20.9
12,811
R
34.1%Bryan3,021
53.2%Taft4,721
12.7%Debs1,130
−19.2%
8,872
R
29.3%Parker2,319
59.2%Roosevelt4,691
11.5%Debs915
−29.9%
7,925
R
46.0%Bryan3,312
49.4%McKinley3,552
4.6%Woolley331
−3.3%
7,195
D
50.5%Bryan3,972
46.7%McKinley3,675
2.8%Palmer223
+3.8%
7,870
R
33.3%Cleveland2,427
40.0%Harrison2,916
26.6%Weaver1,939
−6.7%
7,282
Akashic
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
−6.7%
1896
+3.8%
1900
−3.3%
1904
−29.9%
1908
−19.2%
1912
+39.6%
1916
+8.1%
1920
−40.5%
1924
−49.6%
1928
−34.2%
1932
+25.4%
1936
+23.8%
1940
+9.3%
1944
+5.2%
1948
−17.0%
1952
−32.8%
1956
−25.2%
1960
−12.1%
1964
+14.3%
1968
−12.3%
1972
−14.1%
1976
−5.0%
1980
−23.7%
1984
−27.4%
1988
−11.0%
1992
+5.8%
1996
+0.2%
2000
−3.9%
2004
+1.4%
2008
+15.3%
2012
+10.6%
2016
+19.5%
2020
+23.6%
2024
+19.6%
DemocraticRepublican
Akashic
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Santa Barbara-Santa Maria-San Luis Obispo
Year
Total registered
Democratic
Republican
Unaffiliated
Other
2022
416,406
180,335
120,540
84,586
30,945
2024
418,343
180,574
122,889
81,537
33,343
Source: California Secretary of State
Spanning three Central Coast counties, this media market blends UC Santa Barbara's student electorate with agricultural inland communities, producing countywide margins that routinely diverge from statewide Democratic baselines by 8–12 points depending on the cycle.
Across the recorded series it reached a Democratic high of 39.6 points in 1912 and a Republican high of 49.6 points in 1924. Between 2020 and 2024 the market moved 4.0 points toward the Republican candidate; the 2024 margin was 19.6 points.
A population of 725,256, a 50% non-Hispanic-white share, and a median household income of $97,883 describe the market. The market's voting pattern over the last decade is most similar to that of San Diego and Austin.
Akashic
Political twins — media markets
The media markets 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 →
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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Santa Barbara-Santa Maria-San Luis Obispo, California. Akashic. https://akashic.app/dma/855/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Santa Barbara-Santa Maria-San Luis Obispo, California vote in 2024?
In 2024, Santa Barbara-Santa Maria-San Luis Obispo, California voted Democratic by 19.6 points (D+19.6), carried by the Democratic candidate. Out of 335,481 votes cast, 195,463 went Democratic and 129,802 went Republican.
When did Santa Barbara-Santa Maria-San Luis Obispo, California last vote Republican?
The most recent presidential election in which Santa Barbara-Santa Maria-San Luis Obispo, California voted Republican was 2000.
How many people live in Santa Barbara-Santa Maria-San Luis Obispo, California?
Santa Barbara-Santa Maria-San Luis Obispo, California has a population of 725,256 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Santa Barbara-Santa Maria-San Luis Obispo, California?
Median household income in Santa Barbara-Santa Maria-San Luis Obispo, California is $97,883 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Santa Barbara-Santa Maria-San Luis Obispo, California?
Akashic tracks 34 presidential elections in Santa Barbara-Santa Maria-San Luis Obispo, California from 1892 to 2024. Of those, 15 went Democratic and 18 went Republican.