Humboldt County, California: Democratic loyalist county. In 2024, voted D+28%. Republican peak: R+55 in 1904.
Key facts
- 2024 presidential margin
- D+28MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 134,5412024 5-year
- Median household income
- $61,1602024 5-year
- White (non-Hispanic)
- 72.1%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 14.2%2024 5-year
- Peak Democratic margin
- D+34 in 1912MIT Election Lab
- Peak Republican margin
- R+55 in 1904MIT Election Lab
- Most similar
- Benton County, OR · similarity 0.98
2024 results by precinct
2024 precinct map of Humboldt CountyPrecinct-level 2024 presidential results for Humboldt County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 39,800 | 21,559 | 64,228 | ||
| D | 44,768 | 21,770 | 69,424 | ||
| D | 33,200 | 18,373 | 60,014 | ||
| D | 34,457 | 18,825 | 57,686 | ||
| D | 39,692 | 21,713 | 63,968 | ||
| D | 37,988 | 25,714 | 65,886 | ||
| D | 24,851 | 23,219 | 55,972 | ||
| D | 24,628 | 19,803 | 55,757 | ||
| D | 28,854 | 18,299 | 60,021 | ||
| D | 29,781 | 21,460 | 52,146 | ||
| R | 25,217 | 27,832 | 53,891 | ||
| R | 17,113 | 24,047 | 48,692 | ||
| D | 23,500 | 18,034 | 43,372 | ||
| R | 21,132 | 22,345 | 45,763 | ||
| R | 16,476 | 16,719 | 36,214 | ||
| D | 25,515 | 12,909 | 38,499 | ||
| D | 20,391 | 18,074 | 38,691 | ||
| R | 17,025 | 19,019 | 36,177 | ||
| R | 12,490 | 18,913 | 31,687 | ||
| D | 11,268 | 10,979 | 23,266 | ||
| D | 12,083 | 9,127 | 21,260 | ||
| D | 12,329 | 9,470 | 22,024 | ||
| D | 11,909 | 6,808 | 18,925 | ||
| D | 8,723 | 6,795 | 16,095 | ||
| R | 3,726 | 9,162 | 13,135 | ||
| R | 845 | 6,767 | 11,910 | ||
| R | 1,778 | 6,528 | 9,340 | ||
| R | 4,103 | 5,786 | 11,313 | ||
| O | 2,887 | 0 | 8,552 | ||
| R | 1,206 | 4,221 | 6,492 | ||
| R | 1,249 | 4,930 | 6,733 | ||
| R | 1,698 | 3,902 | 5,884 | ||
| R | 2,465 | 3,142 | 5,675 | ||
| R | 1,844 | 2,416 | 5,426 | ||
| R | 2,014 | 2,772 | 4,956 | ||
| R | 1,450 | 2,184 | 4,053 | ||
| R | 735 | 1,420 | 2,881 | ||
| R | 1,127 | 1,637 | 2,765 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
13.4%
English
12.8%
Irish
11.8%
Italian
5.5%
Scottish
3.4%
French
2.8%
American
2.3%
African American
1.3%
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.
Age distribution by sex
Median age: 39.9 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.
Median household income
2024 inflation-adjusted dollars
$61,160
Humboldt County ranks near the middle of US counties.
Humboldt County$61,160
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
18.7%
Children face moderate poverty.
Children under 1817.5%
Working age (18–64)19.5%
Seniors (65+)13.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
88.9%
speak English only
Spanish6.8%
Asian & Pacific Islander2.3%
Other Indo-European1.5%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 80.7% of residents not counted as adherents by any reporting body.
Humboldt's D+28 presidential margin coexists with a long history of tension between environmentalists and the extractive industries — logging and fishing — that once defined the regional economy.
The Democratic margin in Humboldt County reached its widest at thirty-four points in 1912. The margin in 2024 was twenty-eight points — still decisive.
Its loyalty is rooted in its place. Median household income of $61,160, a 72% non-Hispanic-white share, and a population of 134,541 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Benton County and Jefferson County.
Most similar counties
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Humboldt County, California — The Long Memory. Akashic Intelligence — The Long Memory. https://akashic.app/county/06023/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in California
More democratic loyalist counties
Frequently asked questions
How did Humboldt County, California vote in 2024?
In 2024, Humboldt County, California voted Democratic by 28.4 points (D+28), carried by the Democratic candidate. Out of 64,228 votes cast, 39,800 went Democratic and 21,559 went Republican.
What is Humboldt County, California's political archetype?
Akashic classifies Humboldt County, California as a "Democratic loyalist" county based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the county has voted Democratic 18 times, Republican 19 times, and other 1 times.
When did Humboldt County, California last vote Republican?
The most recent presidential election in which Humboldt County, California voted Republican was 1984.
How many people live in Humboldt County, California?
Humboldt County, California has a population of 134,541 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Humboldt County, California?
Median household income in Humboldt County, California is $61,160 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Humboldt County, California?
Akashic tracks 38 presidential elections in Humboldt County, California from 1876 to 2024. Of those, 18 went Democratic and 19 went Republican. The county's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.