Congressional District 4 Congressional District (CA) — Elections 1876–2024

California 4th Congressional District, California: Democratic loyalist district. In 2024, voted D+30%. Democratic peak: D+49 in 1912.

Key facts

2024 presidential margin: D+30MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 761,2062024 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

2024 results by constituent county

9 counties · 6 D · 3 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+30.3%	213,816	111,744	336,721
2020	D	+36.3%	242,313	110,601	362,360
2016	D	+34.5%	191,862	86,851	304,340
2012	D	+31.9%	180,018	90,862	279,783
2008	D	+33.8%	195,197	94,973	296,897
2004	D	+20.4%	164,609	108,058	276,992
2000	D	+17.8%	136,129	92,650	243,734
1996	D	+20.5%	122,567	76,148	226,409
1992	D	+21.2%	123,106	70,193	249,065
1988	D	+6.8%	109,583	95,375	207,908
1984	R	−7.5%	89,536	104,363	196,478
1980	R	−10.3%	67,759	86,112	178,139
1976	D	+4.8%	75,689	68,490	149,316
1972	R	−7.9%	64,434	75,958	145,150
1968	D	+7.7%	55,512	46,795	113,265
1964	D	+31.0%	69,946	36,800	106,893
1960	D	+2.9%	49,011	46,280	95,693
1956	R	−3.5%	40,341	43,249	83,839
1952	R	−9.7%	35,316	42,998	78,901
1948	D	+5.3%	31,625	28,344	62,224
1944	D	+17.5%	31,629	22,193	54,058
1940	D	+15.5%	26,145	19,061	45,672
1936	D	+32.5%	24,741	12,488	37,681
1932	D	+30.8%	22,138	11,488	34,574
1928	R	−15.2%	12,049	16,398	28,701
1924	R	−38.9%	2,578	11,318	22,479
1920	R	−38.0%	6,176	14,676	22,385
1916	D	+4.2%	11,867	10,845	24,211
1912	O	+48.8%	9,245	0	18,961
1908	R	−16.3%	5,212	7,474	13,905
1904	R	−24.0%	4,401	7,507	12,960
1900	R	−7.0%	5,751	6,645	12,857
1896	R	−2.5%	5,990	6,306	12,548
1892	D	+0.9%	5,652	5,548	12,231
1888	D	+0.6%	5,751	5,680	11,728
1884	R	−3.4%	5,099	5,460	10,735
1880	D	+3.1%	4,686	4,401	9,181
1876	D	+2.7%	4,521	4,280	8,805

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

0.7%

85+

1.3%

2.5%

75–84

2.9%

5.0%

65–74

5.7%

6.0%

55–64

6.3%

5.8%

45–54

5.8%

6.6%

35–44

6.3%

6.6%

25–34

6.3%

5.6%

18–24

5.8%

8.0%

5–17

7.6%

2.6%

2.5%

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

Catholic & Orthodox

21.7%

Other Christian

6.8%

Non-Christian

2.8%

Baptist

2.4%

Pentecostal & Holiness

1.3%

Mainline Protestant

1.1%

Methodist

0.5%

Source · 2020 US Religion Census. Remaining 63.5% of residents not counted as adherents by any reporting body.

California 4th Congressional District sits in the Pacific Coast. Its political identity has been Democratic for as long as anyone now living can remember. 2 consecutive presidential elections in modern records have gone for the Democratic candidate, often by margins that would be considered landslide territory anywhere else.

The Democratic margin in California 4th Congressional District reached its widest at forty-nine points in 1912. The margin in 2024 was thirty points — still decisive.

Its loyalty is rooted in its place. Median household income of $96,934, a 50% non-Hispanic-white share, and a population of 761,206 together describe a district whose political habits are deeply settled.

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Congressional District 4, California — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.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 336,721 votes cast, 213,816 went Democratic and 111,744 went Republican.

What is Congressional District 4, California's political archetype?

Akashic classifies Congressional District 4, California as a "Democratic loyalist" 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 761,206 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 — "Democratic loyalist" — captures the overall trajectory of that voting record.

California 4th Congressional District has voted Democratic in ten straight presidential cycles.

Key facts

Demographics

Frequently asked questions