Sonoma County, California
AkashicSonoma County, CAHarrisD+46.2
2024 precinct map of Sonoma CountyPrecinct-level 2024 presidential results for Sonoma County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 71.4% | 179,600 |
|---|---|---|
| Donald TrumpRepublican | 25.2% | 63,426 |
| Robert F Kennedy Jr.American Independent | 1.5% | 3,844 |
Harris +50Trump +50
415 precincts · 251,426 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1876–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 71.4%Harris179,600 | 25.2%Trump63,426 | 1.5%Kennedy3,844 | 251,426 | ||
| D | 74.5%Biden199,938 | 23.0%Trump61,825 | 1.3%Jorgensen3,418 | 268,317 | ||
| D | 68.8%Clinton160,435 | 22.0%Trump51,408 | 3.9%Johnson8,987 | 233,303 | ||
| D | 71.0%Obama153,942 | 25.3%Romney54,784 | 1.3%Johnson2,754 | 216,865 | ||
| D | 73.6%Obama168,888 | 24.0%McCain55,127 | 2.3%Nader5,336 | 229,351 | ||
| D | 67.2%Kerry148,261 | 30.9%Bush68,204 | 1.9%Badnarik4,225 | 220,690 | ||
| D | 59.5%Gore117,295 | 32.2%Bush63,529 | 7.3%Nader14,324 | 197,006 | ||
| D | 55.6%Clinton100,738 | 29.5%Dole53,555 | 7.6%Perot13,862 | 181,297 | ||
| D | 52.8%Clinton104,334 | 24.1%Bush47,619 | 22.2%Perot43,859 | 197,691 | ||
| D | 56.5%Dukakis91,262 | 41.9%Bush67,725 | 1.6%Paul2,596 | 161,583 | ||
| R | 47.6%Mondale71,295 | 51.1%Reagan76,447 | 1.3%Bergland1,915 | 149,657 | ||
| R | 36.2%Carter45,596 | 48.2%Reagan60,722 | 15.6%Anderson19,667 | 125,985 | ||
| R | 47.5%Carter50,353 | 47.7%Ford50,555 | 4.8%Macbride5,044 | 105,952 | ||
| R | 41.5%McGovern43,746 | 54.7%Nixon57,697 | 3.8%Schmitz3,991 | 105,434 | ||
| R | 43.0%Humphrey33,587 | 48.8%Nixon38,088 | 8.2%Wallace6,384 | 78,059 | ||
| D | 61.5%Johnson44,354 | 38.4%Goldwater27,677 | 0.1%Hass105 | 72,136 | ||
| R | 45.5%Kennedy29,147 | 54.1%Nixon34,641 | 0.4%Byrd244 | 64,032 | ||
| R | 37.9%Stevenson20,616 | 61.9%Eisenhower33,659 | 0.2%Andrews86 | 54,361 | ||
| R | 33.0%Stevenson17,046 | 65.9%Eisenhower34,088 | 1.1%Hallinan583 | 51,717 | ||
| R | 40.1%Truman16,026 | 55.2%Dewey22,077 | 4.7%Thurmond1,881 | 39,984 | ||
| R | 49.3%Roosevelt15,949 | 50.4%Dewey16,309 | 0.3%Thomas111 | 32,369 | ||
| R | 47.0%Roosevelt15,230 | 51.9%Willkie16,819 | 1.0%Thomas330 | 32,379 | ||
| D | 60.2%Roosevelt17,273 | 39.0%Landon11,185 | 0.9%Lemke248 | 28,706 | ||
| D | 61.1%Roosevelt15,686 | 35.7%Hoover9,161 | 3.2%Thomas822 | 25,669 | ||
| R | 39.4%Smith8,506 | 59.7%Hoover12,891 | 0.9%Thomas194 | 21,591 | ||
| R | 10.4%Davis1,767 | 56.0%Coolidge9,535 | 33.6%La Follette5,726 | 17,028 | ||
| R | 26.2%Cox4,070 | 66.9%Harding10,377 | 6.9%Debs1,065 | 15,512 | ||
| R | 43.4%Wilson8,377 | 50.4%Hughes9,733 | 6.3%Benson1,214 | 19,324 | ||
| O | 45.8%Wilson6,500 | 0.0%Taft0 | 54.2%Roosevelt7,699 | 14,199 | ||
| R | 33.6%Bryan3,168 | 57.5%Taft5,427 | 8.9%Debs844 | 9,439 | ||
| R | 32.9%Parker2,816 | 61.6%Roosevelt5,269 | 5.4%Debs463 | 8,548 | ||
| R | 43.4%Bryan3,517 | 54.0%McKinley4,381 | 2.6%Woolley209 | 8,107 | ||
| R | 46.0%Bryan3,595 | 51.9%McKinley4,053 | 2.1%Palmer168 | 7,816 | ||
| D | 49.7%Cleveland3,451 | 43.4%Harrison3,016 | 6.9%Weaver483 | 6,950 | ||
| D | 48.4%Cleveland3,394 | 47.0%Harrison3,293 | 4.6%Fisk324 | 7,011 | ||
| R | 47.8%Cleveland2,944 | 49.4%Blaine3,044 | 2.8%Butler172 | 6,160 | ||
| D | 52.1%Hancock2,628 | 45.4%Garfield2,290 | 2.4%Weaver122 | 5,040 | ||
| D | 54.4%Tilden2,907 | 45.5%Hayes2,432 | 0.1%Cooper6 | 5,345 |
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | +8.9% |
| 1880 | +6.7% |
| 1884 | −1.6% |
| 1888 | +1.4% |
| 1892 | +6.3% |
| 1896 | −5.9% |
| 1900 | −10.7% |
| 1904 | −28.7% |
| 1908 | −23.9% |
| 1912 | +45.8% |
| 1916 | −7.0% |
| 1920 | −40.7% |
| 1924 | −45.6% |
| 1928 | −20.3% |
| 1932 | +25.4% |
| 1936 | +21.2% |
| 1940 | −4.9% |
| 1944 | −1.1% |
| 1948 | −15.1% |
| 1952 | −33.0% |
| 1956 | −24.0% |
| 1960 | −8.6% |
| 1964 | +23.1% |
| 1968 | −5.8% |
| 1972 | −13.2% |
| 1976 | −0.2% |
| 1980 | −12.0% |
| 1984 | −3.4% |
| 1988 | +14.6% |
| 1992 | +28.7% |
| 1996 | +26.0% |
| 2000 | +27.3% |
| 2004 | +36.3% |
| 2008 | +49.6% |
| 2012 | +45.7% |
| 2016 | +46.7% |
| 2020 | +51.5% |
| 2024 | +46.2% |
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2022 | 302,544 | 172,003 | 52,522 | 56,779 | 21,240 |
| 2024 | 304,906 | 173,186 | 55,968 | 52,669 | 23,083 |
Source: California Secretary of State
Sonoma's blend of agricultural heritage and coastal-influenced professional demographics anchors one of California's most consistent Democratic strongholds, with presidential margins widening steadily over the past two decades.
Across the recorded series it reached a Democratic high of 51.5 points in 2020 and a Republican high of 45.6 points in 1924. Between 2020 and 2024 the county moved 5.3 points toward the Republican candidate; the 2024 margin was 46.2 points.
A population of 485,040, a 58% non-Hispanic-white share, and a median household income of $104,674 describe the county. The county's voting pattern over the last decade is most similar to that of Santa Cruz County and Marin County.
Most similar counties
Compare two places, side by side
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Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Sonoma County, California. Akashic. https://akashic.app/county/06097/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Cities & towns in Sonoma County
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Frequently asked questions
How did Sonoma County, California vote in 2024?
In 2024, Sonoma County, California voted Democratic by 46.2 points (D+46.2), carried by the Democratic candidate. Out of 251,426 votes cast, 179,600 went Democratic and 63,426 went Republican.
When did Sonoma County, California last vote Republican?
The most recent presidential election in which Sonoma County, California voted Republican was 1984.
How many people live in Sonoma County, California?
Sonoma County, California has a population of 485,040 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Sonoma County, California?
Median household income in Sonoma County, California is $104,674 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Sonoma County, California?
Akashic tracks 38 presidential elections in Sonoma County, California from 1876 to 2024. Of those, 17 went Democratic and 20 went Republican.