California 4th Congressional District, California: Urban anchor district. In 2024, voted D+30%. Democratic peak: D+49 in 1912.
Key facts
- 2024 presidential margin
- D+30MIT Election Lab
- Political archetype
- Urban anchorAkashic typology
- Population
- 761,2012024 5-year
- Median household income
- $96,9342024 5-year
- White (non-Hispanic)
- 50.2%2024 5-year
- Black
- 5.6%2024 5-year
- Hispanic / Latino
- 31.5%2024 5-year
- Peak Democratic margin
- D+49 in 1912MIT Election Lab
- Peak Republican margin
- R+39 in 1924MIT Election Lab
D
THOMPSON, Michael
−1 liberal+1 conservative
Predecessors: McCLINTOCK, Tom (2021–2023), McCLINTOCK, Tom (2019–2021), McCLINTOCK, Tom (2017–2019), McCLINTOCK, Tom (2015–2017)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
Constituent county margins for Congressional District 4, 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 | 213,815 | 111,743 | 336,719 | ||
| D | 242,311 | 110,600 | 362,357 | ||
| D | 191,862 | 86,850 | 304,338 | ||
| D | 180,017 | 90,861 | 279,781 | ||
| D | 195,196 | 94,972 | 296,896 | ||
| D | 164,608 | 108,058 | 276,990 | ||
| D | 136,129 | 92,650 | 243,733 | ||
| D | 122,566 | 76,147 | 226,408 | ||
| D | 123,105 | 70,192 | 249,063 | ||
| D | 109,582 | 95,375 | 207,907 | ||
| R | 89,536 | 104,362 | 196,477 | ||
| R | 67,758 | 86,112 | 178,138 | ||
| D | 75,689 | 68,489 | 149,315 | ||
| R | 64,434 | 75,958 | 145,149 | ||
| D | 55,511 | 46,795 | 113,265 | ||
| D | 69,945 | 36,800 | 106,892 | ||
| D | 49,010 | 46,279 | 95,693 | ||
| R | 40,341 | 43,249 | 83,838 | ||
| R | 35,316 | 42,998 | 78,901 | ||
| D | 31,625 | 28,343 | 62,223 | ||
| D | 31,629 | 22,193 | 54,058 | ||
| D | 26,144 | 19,061 | 45,671 | ||
| D | 24,741 | 12,488 | 37,681 | ||
| D | 22,137 | 11,488 | 34,574 | ||
| R | 12,048 | 16,398 | 28,701 | ||
| R | 2,578 | 11,318 | 22,479 | ||
| R | 6,176 | 14,676 | 22,385 | ||
| D | 11,867 | 10,845 | 24,210 | ||
| O | 9,245 | 0 | 18,961 | ||
| R | 5,212 | 7,474 | 13,905 | ||
| R | 4,400 | 7,507 | 12,960 | ||
| R | 5,751 | 6,645 | 12,857 | ||
| R | 5,990 | 6,306 | 12,548 | ||
| D | 5,652 | 5,548 | 12,231 | ||
| D | 5,751 | 5,680 | 11,728 | ||
| R | 5,099 | 5,460 | 10,735 | ||
| D | 4,686 | 4,401 | 9,181 | ||
| D | 4,521 | 4,280 | 8,805 |
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
9.5%
English
9.3%
Irish
8.7%
Italian
4.8%
American
2.5%
French
1.9%
Scottish
1.8%
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: 38.8 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
$96,934
Congressional District 4 ranks near the middle of US counties.
Congressional District 4$96,934
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.1%
Child poverty is below the national average.
Children under 1812.2%
Working age (18–64)12.1%
Seniors (65+)11.2%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
68.3%
speak English only
Spanish20.9%
Asian & Pacific Islander6.6%
Other Indo-European3.8%
Other languages0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 63.5% of residents not counted as adherents by any reporting body.
Stretching across the Gold Country foothills east of Sacramento, California's 4th tilts reliably Republican by double digits — an outlier in a state where such margins are increasingly rare outside the inland mountains.
The Democratic margin in California 4th Congressional District has been steady. It reached its modern peak at forty-nine points in 1912; the 2024 margin was thirty points, still in line with the district's long pattern.
Its political identity is inseparable from its demographic profile: a 50% non-Hispanic-white share, a median household income of $96,934, and the full diversity of a major metropolitan center.
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.
Congressional District 4, California. Akashic. https://akashic.app/cd/0604/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Congressional District 4, California vote in 2024?
In 2024, Congressional District 4, California voted Democratic by 30.3 points (D+30), carried by the Democratic candidate. Out of 336,719 votes cast, 213,815 went Democratic and 111,743 went Republican.
What is Congressional District 4, California's political archetype?
Akashic classifies Congressional District 4, 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 24 times, Republican 13 times, and other 1 times.
When did Congressional District 4, California last vote Republican?
The most recent presidential election in which Congressional District 4, California voted Republican was 1984.
How many people live in Congressional District 4, California?
Congressional District 4, California has a population of 761,201 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 4, California?
Median household income in Congressional District 4, California is $96,934 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Congressional District 4, California?
Akashic tracks 38 presidential elections in Congressional District 4, California from 1876 to 2024. Of those, 24 went Democratic and 13 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.