Mendocino County, California: Florida Surge county. In 2024, voted D+27%. Republican peak: R+44 in 1924.
Key facts
- 2024 presidential margin
- D+27MIT Election Lab
- Political typology
- Florida SurgeAkashic typology
- Population
- 90,2442024 5-year
- Median household income
- $68,0922024 5-year
- White (non-Hispanic)
- 64.3%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 27.6%2024 5-year
- Peak Democratic margin
- D+44 in 1912MIT Election Lab
- Peak Republican margin
- R+44 in 1924MIT Election Lab
- Most similar
- Windham County, VT · similarity 0.99
2024 results by precinct
2024 precinct map of Mendocino CountyPrecinct-level 2024 presidential results for Mendocino County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | +16.0% |
| 1880 | +15.0% |
| 1884 | +9.0% |
| 1888 | +7.7% |
| 1892 | +7.7% |
| 1896 | +0.6% |
| 1900 | −8.0% |
| 1904 | −30.0% |
| 1908 | −20.1% |
| 1912 | +44.4% |
| 1916 | −1.6% |
| 1920 | −39.3% |
| 1924 | −44.4% |
| 1928 | −28.8% |
| 1932 | +26.2% |
| 1936 | +26.9% |
| 1940 | +13.6% |
| 1944 | +7.9% |
| 1948 | −6.5% |
| 1952 | −22.2% |
| 1956 | −14.1% |
| 1960 | +0.9% |
| 1964 | +30.4% |
| 1968 | −2.1% |
| 1972 | −7.8% |
| 1976 | +4.0% |
| 1980 | −5.8% |
| 1984 | −6.2% |
| 1988 | +13.5% |
| 1992 | +28.4% |
| 1996 | +15.9% |
| 2000 | +12.7% |
| 2004 | +29.7% |
| 2008 | +42.6% |
| 2012 | +38.5% |
| 2016 | +29.5% |
| 2020 | +35.8% |
| 2024 | +26.8% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 24,049 | 13,528 | 39,219 | ||
| D | 28,782 | 13,267 | 43,340 | ||
| D | 22,079 | 10,888 | 37,915 | ||
| D | 23,193 | 9,658 | 35,137 | ||
| D | 27,843 | 10,721 | 40,184 | ||
| D | 24,385 | 12,955 | 38,429 | ||
| D | 16,634 | 12,272 | 34,410 | ||
| D | 14,952 | 9,765 | 32,692 | ||
| D | 18,344 | 7,958 | 36,538 | ||
| D | 17,152 | 12,979 | 30,947 | ||
| R | 14,407 | 16,369 | 31,422 | ||
| R | 10,784 | 12,432 | 28,224 | ||
| D | 10,653 | 9,784 | 21,509 | ||
| R | 9,435 | 11,128 | 21,814 | ||
| R | 7,935 | 8,305 | 17,904 | ||
| D | 11,869 | 6,322 | 18,227 | ||
| D | 9,476 | 9,301 | 18,871 | ||
| R | 7,767 | 10,327 | 18,137 | ||
| R | 6,580 | 10,388 | 17,157 | ||
| R | 5,553 | 6,368 | 12,603 | ||
| D | 5,452 | 4,655 | 10,143 | ||
| D | 7,055 | 5,345 | 12,569 | ||
| D | 6,432 | 3,670 | 10,266 | ||
| D | 5,867 | 3,365 | 9,551 | ||
| R | 2,628 | 4,810 | 7,588 | ||
| R | 739 | 3,465 | 6,137 | ||
| R | 1,789 | 4,443 | 6,749 | ||
| R | 3,371 | 3,494 | 7,468 | ||
| O | 2,507 | 0 | 5,648 | ||
| R | 1,752 | 2,746 | 4,942 | ||
| R | 1,489 | 2,904 | 4,718 | ||
| R | 1,861 | 2,192 | 4,124 | ||
| D | 2,120 | 2,093 | 4,278 | ||
| D | 2,023 | 1,709 | 4,082 | ||
| D | 2,006 | 1,711 | 3,821 | ||
| D | 1,589 | 1,317 | 3,013 | ||
| D | 1,313 | 969 | 2,290 | ||
| D | 1,283 | 929 | 2,212 |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
12.1%
English
11.6%
Irish
9.6%
Italian
4.6%
Scottish
3.0%
French
1.7%
American
1.4%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 44.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$68,092
Mendocino County ranks near the middle of US counties.
Mendocino County$68,092
California$99,122
United States$80,734
Mendocino County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
15.4%
Children face moderate poverty.
Children under 1816.8%
Working age (18–64)15.4%
Seniors (65+)12.1%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
77.9%
speak English only
Spanish18.8%
Asian & Pacific Islander1.7%
Other Indo-European1.5%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 60.0% of residents not counted as adherents by any reporting body.
Mendocino's sparse population, rugged Pacific coastline, and long-established counterculture communities have anchored its Democratic lean for decades, with 2024's D+26.8 margin consistent with its recent presidential-cycle pattern.
The Democratic margin here once reached forty-four points in 1912. Between 2020 and 2024 the county moved nine points toward the Republican candidate; the 2024 margin was twenty-seven points.
A population of 90,244, a 64% non-Hispanic-white share, and a median household income of $68,092 describe the county. The county's voting pattern over the last decade is most similar to that of Windham County and Santa Cruz County.
Most similar counties
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.
Mendocino County, California. Akashic. https://akashic.app/county/06045/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Mendocino County, California vote in 2024?
In 2024, Mendocino County, California voted Democratic by 26.8 points (D+27), carried by the Democratic candidate. Out of 39,219 votes cast, 24,049 went Democratic and 13,528 went Republican.
What is Mendocino County, California's political typology?
Akashic places Mendocino County, California in the "Florida Surge" typology — Florida coastal and retiree counties that moved sharply Republican across the Trump era. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 23 times, Republican 14 times, and other 1 times.
When did Mendocino County, California last vote Republican?
The most recent presidential election in which Mendocino County, California voted Republican was 1984.
How many people live in Mendocino County, California?
Mendocino County, California has a population of 90,244 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Mendocino County, California?
Median household income in Mendocino County, California is $68,092 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Mendocino County, California?
Akashic tracks 38 presidential elections in Mendocino County, California from 1876 to 2024. Of those, 23 went Democratic and 14 went Republican. The county's typology — "Florida Surge" — captures where that record, its demographics, and its recent swing place it among American communities.