Yolo County, California: New American county. In 2024, voted D+36%. Democratic peak: D+56 in 1912.
Key facts
- 2024 presidential margin
- D+36MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 220,5642024 5-year
- Median household income
- $91,7522024 5-year
- White (non-Hispanic)
- 48.9%2024 5-year
- Black
- 2.6%2024 5-year
- Hispanic / Latino
- 33.4%2024 5-year
- Peak Democratic margin
- D+56 in 1912MIT Election Lab
- Peak Republican margin
- R+31 in 1924MIT Election Lab
- Most similar
- Tompkins County, NY · similarity 0.99
2024 results by precinct
2024 precinct map of Yolo CountyPrecinct-level 2024 presidential results for Yolo 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 | +4.9% |
| 1880 | +4.5% |
| 1884 | +0.3% |
| 1888 | +7.6% |
| 1892 | +10.0% |
| 1896 | +8.1% |
| 1900 | +5.4% |
| 1904 | −12.2% |
| 1908 | −4.4% |
| 1912 | +56.1% |
| 1916 | +10.7% |
| 1920 | −29.1% |
| 1924 | −30.7% |
| 1928 | −14.5% |
| 1932 | +38.3% |
| 1936 | +39.1% |
| 1940 | +18.5% |
| 1944 | +15.9% |
| 1948 | +8.6% |
| 1952 | −6.3% |
| 1956 | +3.7% |
| 1960 | +10.1% |
| 1964 | +39.2% |
| 1968 | +16.3% |
| 1972 | +13.4% |
| 1976 | +11.9% |
| 1980 | +3.9% |
| 1984 | +3.0% |
| 1988 | +15.1% |
| 1992 | +25.2% |
| 1996 | +24.5% |
| 2000 | +17.4% |
| 2004 | +20.6% |
| 2008 | +36.2% |
| 2012 | +33.9% |
| 2016 | +41.4% |
| 2020 | +41.4% |
| 2024 | +36.2% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 61,405 | 27,844 | 92,621 | ||
| D | 67,598 | 27,292 | 97,294 | ||
| D | 54,752 | 20,739 | 82,090 | ||
| D | 48,715 | 23,368 | 74,671 | ||
| D | 53,488 | 24,592 | 79,749 | ||
| D | 42,885 | 28,005 | 72,269 | ||
| D | 33,747 | 23,057 | 61,436 | ||
| D | 33,033 | 18,807 | 58,079 | ||
| D | 33,297 | 17,574 | 62,436 | ||
| D | 30,429 | 22,358 | 53,372 | ||
| D | 25,879 | 24,329 | 50,853 | ||
| D | 21,527 | 19,603 | 49,690 | ||
| D | 23,533 | 18,376 | 43,317 | ||
| D | 23,694 | 17,969 | 42,738 | ||
| D | 15,833 | 11,123 | 28,960 | ||
| D | 18,266 | 7,976 | 26,274 | ||
| D | 12,395 | 10,104 | 22,589 | ||
| D | 10,075 | 9,347 | 19,479 | ||
| R | 7,895 | 8,967 | 16,999 | ||
| D | 6,655 | 5,560 | 12,684 | ||
| D | 5,837 | 4,233 | 10,116 | ||
| D | 6,380 | 4,373 | 10,854 | ||
| D | 5,992 | 2,594 | 8,692 | ||
| D | 5,780 | 2,515 | 8,529 | ||
| R | 2,641 | 3,545 | 6,224 | ||
| R | 797 | 2,470 | 5,447 | ||
| R | 1,787 | 3,375 | 5,448 | ||
| D | 2,922 | 2,334 | 5,501 | ||
| D | 2,239 | 0 | 3,994 | ||
| R | 1,553 | 1,707 | 3,483 | ||
| R | 1,301 | 1,702 | 3,281 | ||
| D | 1,687 | 1,510 | 3,296 | ||
| D | 1,753 | 1,485 | 3,312 | ||
| D | 1,707 | 1,372 | 3,364 | ||
| D | 1,580 | 1,350 | 3,023 | ||
| D | 1,421 | 1,412 | 2,897 | ||
| D | 1,374 | 1,256 | 2,651 | ||
| D | 1,360 | 1,233 | 2,593 |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
9.7%
English
9.7%
Irish
8.5%
Italian
4.3%
American
2.2%
Scottish
1.8%
French
1.5%
African American
2.1%
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: 32.1 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
$91,752
Yolo County ranks in the top 10% of US counties.
Yolo County$91,752
California$99,122
United States$80,734
Yolo County ranks in the top 10% 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
16.7%
Child poverty is below the national average.
Children under 1812.1%
Working age (18–64)18.2%
Seniors (65+)13.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
63.7%
speak English only
Spanish21.3%
Asian & Pacific Islander7.4%
Other Indo-European7.1%
Other languages0.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 65.2% of residents not counted as adherents by any reporting body.
Home to the University of California, Davis, Yolo County combines a large student and academic population with Sacramento-adjacent suburbs, producing presidential margins that have exceeded D+30 in every cycle since 2008.
Yolo County has leaned Democratic in recent presidential elections, reaching a Democratic margin of fifty-six points in 1912. Between 2020 and 2024 it moved five points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 49% non-Hispanic-white share, a median household income of $91,752, and a population of 220,564. The county's voting pattern over the last decade is most similar to that of Tompkins County and Denver 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.
Yolo County, California. Akashic. https://akashic.app/county/06113/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Yolo County, California vote in 2024?
In 2024, Yolo County, California voted Democratic by 36.2 points (D+36), carried by the Democratic candidate. Out of 92,621 votes cast, 61,405 went Democratic and 27,844 went Republican.
What is Yolo County, California's political typology?
Akashic places Yolo County, California in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. 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 32 times, Republican 6 times, and other 0 times.
When did Yolo County, California last vote Republican?
The most recent presidential election in which Yolo County, California voted Republican was 1952.
How many people live in Yolo County, California?
Yolo County, California has a population of 220,564 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Yolo County, California?
Median household income in Yolo County, California is $91,752 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Yolo County, California?
Akashic tracks 38 presidential elections in Yolo County, California from 1876 to 2024. Of those, 32 went Democratic and 6 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.