San Luis Obispo-Paso Robles, CA Metro Area — Elections 1892–2024

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How it voted

Share of the 2024 vote

Kamala Harris ✓Democratic	53.9%	81,314
Donald TrumpRepublican	43.1%	64,932
Robert F. Kennedy Jr.American Independent	3.0%	4,520

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 Luis Obispo-Paso Robles, CA, CA — winner and D-vs-R margin.
County	Winner	Margin
San Luis Obispo County, CA	Democratic	D+10.9

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
2024	D	53.9%Harris81,314	43.1%Trump64,932	3.0%Kennedy4,520	+10.9%	150,766
2020	D	55.3%Biden88,310	42.2%Trump67,436	2.5%Jorgensen3,968	+13.1%	159,714
2016	D	48.9%Clinton67,107	40.9%Trump56,164	10.2%Johnson13,931	+8.0%	137,202
2012	D	48.6%Obama61,258	47.6%Romney59,967	3.8%Johnson4,741	+1.0%	125,966
2008	D	51.2%Obama68,176	45.9%McCain61,055	2.9%Nader3,924	+5.3%	133,155
2004	R	45.5%Kerry58,742	52.7%Bush67,995	1.8%Badnarik2,313	−7.2%	129,050
2000	R	40.9%Gore44,526	52.2%Bush56,859	6.9%Nader7,501	−11.3%	108,886
1996	R	40.2%Clinton40,395	46.5%Dole46,733	13.3%Perot13,372	−6.3%	100,500
1992	D	38.4%Clinton40,136	34.8%Bush36,384	26.9%Perot28,099	+3.6%	104,619
1988	R	42.7%Dukakis35,667	55.8%Bush46,613	1.4%Paul1,187	−13.1%	83,467
1984	R	35.0%Mondale26,946	63.7%Reagan49,035	1.3%Bergland969	−28.7%	76,950
1980	R	29.5%Carter20,508	55.6%Reagan38,631	14.9%Anderson10,388	−26.1%	69,527
1976	R	45.9%Carter24,926	51.2%Ford27,785	2.9%Macbride1,587	−5.3%	54,298
1972	R	40.7%McGovern20,779	56.0%Nixon28,566	3.3%Schmitz1,688	−15.3%	51,033
1968	R	41.8%Humphrey15,828	51.3%Nixon19,420	7.0%Wallace2,633	−9.5%	37,881
1964	D	59.8%Johnson22,252	40.1%Goldwater14,906	0.1%Hass28	+19.8%	37,186
1960	R	45.3%Kennedy14,975	54.0%Nixon17,862	0.7%Byrd218	−8.7%	33,055
1956	R	41.1%Stevenson11,407	58.5%Eisenhower16,223	0.4%Andrews118	−17.4%	27,748
1952	R	34.1%Stevenson8,761	65.1%Eisenhower16,733	0.8%Hallinan197	−31.0%	25,691
1948	R	42.1%Truman8,135	53.5%Dewey10,325	4.4%Thurmond844	−11.3%	19,304
1944	D	50.6%Roosevelt8,068	48.9%Dewey7,793	0.5%Thomas75	+1.7%	15,936
1940	D	53.4%Roosevelt8,499	45.3%Willkie7,204	1.4%Thomas217	+8.1%	15,920
1936	D	61.1%Roosevelt7,889	37.3%Landon4,812	1.6%Lemke205	+23.8%	12,906
1932	D	65.8%Roosevelt7,933	28.6%Hoover3,449	5.6%Thomas680	+37.2%	12,062
1928	R	37.4%Smith3,336	60.8%Hoover5,425	1.8%Thomas159	−23.4%	8,920
1924	R	9.4%Davis731	49.0%Coolidge3,804	41.6%La Follette3,226	−39.6%	7,761
1920	R	23.9%Cox1,606	61.3%Harding4,123	14.8%Debs996	−37.4%	6,725
1916	D	49.9%Wilson3,539	40.2%Hughes2,854	9.9%Benson706	+9.6%	7,099
1912	O	40.5%Wilson2,248	0.0%Taft0	59.5%Roosevelt3,305	Roosevelt +19.0	5,553
1908	R	34.9%Bryan1,381	50.8%Taft2,008	14.3%Debs567	−15.8%	3,956
1904	R	31.8%Parker1,167	54.9%Roosevelt2,015	13.2%Debs485	−23.1%	3,667
1900	D	50.2%Bryan1,713	45.8%McKinley1,564	4.0%Woolley137	+4.4%	3,414
1896	D	53.8%Bryan2,056	43.7%McKinley1,671	2.4%Palmer93	+10.1%	3,820
1892	R	31.9%Cleveland1,199	38.1%Harrison1,433	30.0%Weaver1,129	−6.2%	3,761

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−6.2%
1896	+10.1%
1900	+4.4%
1904	−23.1%
1908	−15.8%
1912	+40.5%
1916	+9.6%
1920	−37.4%
1924	−39.6%
1928	−23.4%
1932	+37.2%
1936	+23.8%
1940	+8.1%
1944	+1.7%
1948	−11.3%
1952	−31.0%
1956	−17.4%
1960	−8.7%
1964	+19.8%
1968	−9.5%
1972	−15.3%
1976	−5.3%
1980	−26.1%
1984	−28.7%
1988	−13.1%
1992	+3.6%
1996	−6.3%
2000	−11.3%
2004	−7.2%
2008	+5.3%
2012	+1.0%
2016	+8.0%
2020	+13.1%
2024	+10.9%

DemocraticRepublican

voter registration

Registered voters

By party of registration, over time

DemocraticRepublicanUnaffiliatedOther parties

Voter registration in San Luis Obispo-Paso Robles, CA
Year	Total registered	Democratic	Republican	Unaffiliated	Other
2022	181,647	69,616	62,355	35,497	14,179
2024	179,396	68,965	62,701	32,551	15,179

Source: California Secretary of State

Home to Cal Poly San Luis Obispo, the metro's electorate skews younger and college-educated relative to rural Central Coast neighbors, producing a 17-point Democratic presidential margin in 2024 despite a historically competitive past.

Across the recorded series it reached a Democratic high of 40.5 points in 1912 and a Republican high of 39.6 points in 1924. Between 2020 and 2024 the metro moved 2.2 points toward the Republican candidate; the 2024 margin was 10.9 points.

A population of 281,555, a 65% non-Hispanic-white share, and a median household income of $97,446 describe the metro. The metro's voting pattern over the last decade is most similar to that of Rifle, CO and Denver-Aurora-Centennial, CO.

Political twins — metros

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

Rifle, CO

91.6twin score

2016–2024 trajectory12-yr trend≠ population scale

Denver-Aurora-Centennial, CO

91.0twin score

12-yr trend2016–2024 trajectory≠ population scale

Austin-Round Rock-San Marcos, TX

89.9twin score

12-yr trend2020–2024 trajectorymedian income≠ population scale

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.

San Luis Obispo-Paso Robles, CA, California. Akashic. https://akashic.app/cbsa/42020/. Accessed May 20, 2026. License: CC BY 4.0.

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Places within San Luis Obispo-Paso Robles, CA

counties1

San Luis Obispo County

Frequently asked questions

How did San Luis Obispo-Paso Robles, CA, California vote in 2024?

In 2024, San Luis Obispo-Paso Robles, CA, California voted Democratic by 10.9 points (D+10.9), carried by the Democratic candidate. Out of 150,766 votes cast, 81,314 went Democratic and 64,932 went Republican.

When did San Luis Obispo-Paso Robles, CA, California last vote Republican?

The most recent presidential election in which San Luis Obispo-Paso Robles, CA, California voted Republican was 2004.

How many people live in San Luis Obispo-Paso Robles, CA, California?

San Luis Obispo-Paso Robles, CA, California has a population of 281,555 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in San Luis Obispo-Paso Robles, CA, California?

Median household income in San Luis Obispo-Paso Robles, CA, California is $97,446 — above the national median of $80,734. The California state median is $99,122.

What is the political history of San Luis Obispo-Paso Robles, CA, California?

Akashic tracks 34 presidential elections in San Luis Obispo-Paso Robles, CA, California from 1892 to 2024. Of those, 14 went Democratic and 19 went Republican.