Plumas County, California: Industrial Catholic Metro county. In 2024, voted R+17%. Democratic peak: D+59 in 1936.
Key facts
- 2024 presidential margin
- R+17MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 19,4232024 5-year
- Median household income
- $66,0312024 5-year
- White (non-Hispanic)
- 83.7%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 10.3%2024 5-year
- Peak Democratic margin
- D+59 in 1936MIT Election Lab
- Peak Republican margin
- R+38 in 1920MIT Election Lab
- Most similar
- Sierra County, CA · similarity 0.99
2024 results by precinct
2024 precinct map of Plumas CountyPrecinct-level 2024 presidential results for Plumas 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 | −7.5% |
| 1880 | −3.9% |
| 1884 | −12.4% |
| 1888 | −6.3% |
| 1892 | −8.5% |
| 1896 | −8.1% |
| 1900 | −18.1% |
| 1904 | −33.2% |
| 1908 | −23.2% |
| 1912 | +41.7% |
| 1916 | +20.0% |
| 1920 | −38.2% |
| 1924 | −22.3% |
| 1928 | +6.4% |
| 1932 | +54.1% |
| 1936 | +59.0% |
| 1940 | +45.3% |
| 1944 | +39.9% |
| 1948 | +29.0% |
| 1952 | +11.9% |
| 1956 | +15.9% |
| 1960 | +24.5% |
| 1964 | +40.8% |
| 1968 | +15.4% |
| 1972 | +1.7% |
| 1976 | +8.3% |
| 1980 | −15.6% |
| 1984 | −15.0% |
| 1988 | −3.9% |
| 1992 | +1.4% |
| 1996 | −14.0% |
| 2000 | −27.7% |
| 2004 | −24.8% |
| 2008 | −12.0% |
| 2012 | −16.8% |
| 2016 | −19.9% |
| 2020 | −16.7% |
| 2024 | −16.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 4,020 | 5,725 | 10,070 | ||
| R | 4,561 | 6,445 | 11,260 | ||
| R | 3,459 | 5,420 | 9,850 | ||
| R | 4,026 | 5,721 | 10,080 | ||
| R | 4,715 | 6,035 | 11,028 | ||
| R | 4,129 | 6,905 | 11,190 | ||
| R | 3,458 | 6,343 | 10,401 | ||
| R | 3,540 | 4,905 | 9,750 | ||
| D | 3,742 | 3,599 | 9,949 | ||
| R | 4,251 | 4,603 | 9,015 | ||
| R | 3,837 | 5,224 | 9,228 | ||
| R | 2,911 | 4,182 | 8,161 | ||
| D | 3,429 | 2,884 | 6,563 | ||
| D | 3,057 | 2,952 | 6,360 | ||
| D | 2,961 | 2,097 | 5,611 | ||
| D | 4,019 | 1,686 | 5,713 | ||
| D | 3,333 | 2,015 | 5,378 | ||
| D | 3,127 | 2,267 | 5,415 | ||
| D | 3,174 | 2,491 | 5,721 | ||
| D | 3,125 | 1,657 | 5,058 | ||
| D | 2,625 | 1,126 | 3,759 | ||
| D | 3,418 | 1,270 | 4,740 | ||
| D | 2,707 | 680 | 3,435 | ||
| D | 2,035 | 582 | 2,684 | ||
| D | 1,079 | 947 | 2,075 | ||
| O | 182 | 564 | 1,713 | ||
| R | 403 | 999 | 1,562 | ||
| D | 1,025 | 663 | 1,814 | ||
| O | 742 | 0 | 1,781 | ||
| R | 395 | 659 | 1,138 | ||
| R | 347 | 707 | 1,083 | ||
| R | 442 | 640 | 1,095 | ||
| R | 575 | 678 | 1,268 | ||
| R | 537 | 642 | 1,231 | ||
| R | 570 | 648 | 1,233 | ||
| R | 554 | 712 | 1,275 | ||
| R | 645 | 698 | 1,344 | ||
| R | 502 | 583 | 1,085 |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
17.7%
English
16.4%
Irish
9.7%
Italian
6.6%
American
2.7%
Scottish
2.1%
French
2.0%
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.
2024 ACS
Age distribution by sex
Median age: 52.0 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
$66,031
Plumas County ranks near the middle of US counties.
Plumas County$66,031
California$99,122
United States$80,734
Plumas 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
10.6%
Children face moderate poverty.
Children under 1815.1%
Working age (18–64)9.8%
Seniors (65+)9.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
91.8%
speak English only
Spanish5.3%
Other Indo-European2.5%
Other languages0.3%
Asian & Pacific Islander0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 61.5% of residents not counted as adherents by any reporting body.
Plumas County's economy has long centered on timber, ranching, and outdoor recreation, and its sparse, rural population consistently produces some of the widest Republican margins among California's mountain counties.
Its margins are typically close. The Democratic margin reached fifty-nine points in 1936; the Republican margin reached thirty-eight points in 1920. The 2024 margin was seventeen points.
Its demographics sit near national norms: a 84% non-Hispanic-white share, a median household income of $66,031, and a 11% poverty rate. The county's voting pattern over the last decade is most similar to that of Sierra County and Siskiyou 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.
Plumas County, California. Akashic. https://akashic.app/county/06063/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in California
More industrial catholic metro counties
Frequently asked questions
How did Plumas County, California vote in 2024?
In 2024, Plumas County, California voted Republican by 16.9 points (R+17), carried by the Republican candidate. Out of 10,070 votes cast, 4,020 went Democratic and 5,725 went Republican.
What is Plumas County, California's political typology?
Akashic places Plumas County, California in the "Industrial Catholic Metro" typology — Mid-size industrial metros with Catholic ethnic roots — among the most competitive, swing-prone ground in the country. 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 15 times, Republican 21 times, and other 2 times.
When did Plumas County, California last vote Democratic?
The most recent presidential election in which Plumas County, California voted Democratic was 1992.
How many people live in Plumas County, California?
Plumas County, California has a population of 19,423 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Plumas County, California?
Median household income in Plumas County, California is $66,031 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Plumas County, California?
Akashic tracks 38 presidential elections in Plumas County, California from 1876 to 2024. Of those, 15 went Democratic and 21 went Republican. The county's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.