California 10th Congressional District, California: Urban anchor district. In 2024, voted D+38%. Republican peak: R+49 in 1924.
Key facts
- 2024 presidential margin
- D+38MIT Election Lab
- Political archetype
- Urban anchorAkashic typology
- Population
- 866,8552024 5-year
- Median household income
- $127,2902024 5-year
- White (non-Hispanic)
- 40.8%2024 5-year
- Black
- 8.3%2024 5-year
- Hispanic / Latino
- 27.5%2024 5-year
- Peak Democratic margin
- D+46 in 2020MIT Election Lab
- Peak Republican margin
- R+49 in 1924MIT Election Lab
D
DESAULNIER, Mark James
−1 liberal+1 conservative
Predecessors: HARDER, Josh (2021–2023), HARDER, Josh (2019–2021), DENHAM, Jeff (2017–2019), DENHAM, Jeff (2015–2017)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
Constituent county margins for Congressional District 10, CAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 264,829 | 114,380 | 392,364 | ||
| D | 310,242 | 112,556 | 431,806 | ||
| D | 238,510 | 85,261 | 351,806 | ||
| D | 217,259 | 100,308 | 326,385 | ||
| D | 229,231 | 100,420 | 336,966 | ||
| D | 192,287 | 110,835 | 306,985 | ||
| D | 167,301 | 103,985 | 283,165 | ||
| D | 146,603 | 91,202 | 261,807 | ||
| D | 145,933 | 83,298 | 284,671 | ||
| D | 127,105 | 117,126 | 246,812 | ||
| R | 106,140 | 127,457 | 235,857 | ||
| R | 80,653 | 106,551 | 214,111 | ||
| R | 92,980 | 93,841 | 191,544 | ||
| R | 84,635 | 103,534 | 192,745 | ||
| D | 76,777 | 72,765 | 164,344 | ||
| D | 85,980 | 49,133 | 135,239 | ||
| D | 70,925 | 62,684 | 134,050 | ||
| R | 54,456 | 57,079 | 111,804 | ||
| D | 52,521 | 51,644 | 104,765 | ||
| D | 38,654 | 28,966 | 70,885 | ||
| D | 37,111 | 21,222 | 58,453 | ||
| D | 24,551 | 15,212 | 40,183 | ||
| D | 21,030 | 8,172 | 29,511 | ||
| D | 14,036 | 9,218 | 24,172 | ||
| R | 7,106 | 11,525 | 18,861 | ||
| R | 925 | 7,766 | 13,959 | ||
| R | 2,838 | 7,628 | 11,833 | ||
| D | 5,057 | 4,911 | 10,931 | ||
| O | 2,743 | 0 | 7,028 | ||
| R | 1,262 | 2,731 | 4,476 | ||
| R | 974 | 2,333 | 3,679 | ||
| R | 1,219 | 1,779 | 3,076 | ||
| R | 1,124 | 1,526 | 2,695 | ||
| R | 1,069 | 1,310 | 2,552 | ||
| R | 936 | 1,229 | 2,225 | ||
| R | 876 | 1,193 | 2,121 | ||
| R | 788 | 1,029 | 1,819 | ||
| R | 655 | 930 | 1,585 |
Congressional elections · 17 Senate races
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2024 | D | 58.9% | 41.1% | 15,348,846 |
| 2022 | D | 61.1% | 38.9% | 10,843,650 |
| 2018 | D | 100.0% | 0.0% | 11,113,364 |
| 2016 | D | 100.0% | 0.0% | 12,244,170 |
| 2012 | D | 62.5% | 37.5% | 12,578,511 |
| 2010 | D | 52.2% | 42.2% | 10,000,160 |
| 2006 | D | 59.4% | 35.0% | 8,541,476 |
| 2004 | D | 57.7% | 37.8% | 12,053,295 |
| 2000 | D | 55.8% | 36.6% | 10,623,608 |
| 1998 | D | 53.1% | 43.0% | 8,311,905 |
| 1994 | D | 46.7% | 44.8% | 8,514,089 |
| 1992 | D | 47.9% | 43.0% | 10,799,703 |
| 1988 | R | 44.0% | 52.8% | 9,743,598 |
| 1986 | D | 49.3% | 47.9% | 7,398,462 |
| 1982 | R | 44.8% | 51.5% | 7,805,450 |
| 1980 | D | 56.5% | 37.1% | 8,324,012 |
| 1976 | R | 46.9% | 50.2% | 7,470,586 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
7.9%
English
7.9%
Irish
7.2%
Italian
4.7%
American
2.2%
French
1.5%
Scottish
1.5%
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: 40.5 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
$127,290
Congressional District 10 ranks near the middle of US counties.
Congressional District 10$127,290
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
8.4%
Child poverty is below the national average.
Children under 1810.0%
Working age (18–64)7.8%
Seniors (65+)8.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
62.2%
speak English only
Spanish19.0%
Asian & Pacific Islander10.8%
Other Indo-European6.7%
Other languages1.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 58.5% of residents not counted as adherents by any reporting body.
Anchored in the northern San Joaquin Valley and Sierra Nevada foothills, CA-10 leans reliably Republican in federal races, reflecting its rural agricultural economy and lower population density compared with the state's coastal districts.
The Democratic margin in California 10th Congressional District has been steady. It reached its modern peak at forty-six points in 2020; the 2024 margin was thirty-eight points, still in line with the district's long pattern.
Its political identity is inseparable from its demographic profile: a 41% non-Hispanic-white share, a median household income of $127,290, and the full diversity of a major metropolitan center.
Compare two places, side by side
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Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Congressional District 10, California. Akashic. https://akashic.app/cd/0610/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 10, California vote in 2024?
In 2024, Congressional District 10, California voted Democratic by 38.3 points (D+38), carried by the Democratic candidate. Out of 392,364 votes cast, 264,829 went Democratic and 114,380 went Republican.
What is Congressional District 10, California's political archetype?
Akashic classifies Congressional District 10, California as a "Urban anchor" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 20 times, Republican 17 times, and other 1 times.
When did Congressional District 10, California last vote Republican?
The most recent presidential election in which Congressional District 10, California voted Republican was 1984.
How many people live in Congressional District 10, California?
Congressional District 10, California has a population of 866,855 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 10, California?
Median household income in Congressional District 10, California is $127,290 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Congressional District 10, California?
Akashic tracks 38 presidential elections in Congressional District 10, California from 1876 to 2024. Of those, 20 went Democratic and 17 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.