akashic
1876–2024
Assembly District 4·California

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

A reliably Democratic coastal district with a 30-point presidential margin

1876 — 2024·38 elections
CA
Latest
D+29
in 2024
Archetype
Democratic loyalist
since the recent cycles
Population
453,611
2024 ACS

California 4th State House District, California: Democratic loyalist district. In 2024, voted D+29%. Democratic peak: D+53 in 1912.

Key facts

2024 presidential margin
D+29MIT Election Lab
Political archetype
Democratic loyalistAkashic typology
Population
453,6112024 5-year
Median household income
$92,3882024 5-year
White (non-Hispanic)
53.4%2024 5-year
Black
2.3%2024 5-year
Hispanic / Latino
34.3%2024 5-year
Peak Democratic margin
D+53 in 1912MIT Election Lab
Peak Republican margin
R+36 in 1920MIT Election Lab
2024 results by constituent county
5 counties · 3 D · 2 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).
YearWonMarginDemocraticRepublicanTotal
D
+28.6%
122,83166,825196,141
D
+34.3%
138,92266,672210,849
D
+32.2%
110,78253,154178,721
D
+27.9%
102,62656,600164,680
D
+30.8%
112,57358,655175,280
D
+16.9%
94,11066,428163,423
D
+13.4%
76,25957,070142,945
D
+17.7%
71,78347,638136,359
D
+19.1%
71,59543,292148,025
D
+5.4%
66,08059,158127,019
R
−8.2%
56,03666,179123,916
R
−9.6%
44,76256,070117,459
D
+2.8%
51,12748,245102,740
R
−6.0%
45,47151,518100,209
D
+5.1%
36,78332,84876,548
D
+28.8%
46,04725,42771,582
R
−1.3%
31,61932,47464,392
R
−8.4%
25,39230,06055,638
R
−18.7%
20,22029,59550,200
R
−3.5%
18,14519,50639,094
D
+7.2%
17,60815,23233,010
D
+10.3%
17,95414,56532,857
D
+27.7%
17,3499,73527,457
D
+31.7%
16,8808,58326,203
R
−17.2%
8,46712,02920,652
R
−35.5%
2,2528,15516,644
R
−35.7%
4,77610,63216,391
D
+5.9%
9,3108,21118,691
D
+53.0%
7,886014,871
R
−8.3%
4,6335,55611,060
R
−16.7%
3,9765,74010,557
D
+1.6%
4,9984,83110,196
D
+6.6%
5,3884,71110,323
D
+6.7%
5,0734,36710,468
D
+8.8%
6,0085,01411,257
D
+6.4%
5,3254,67110,165
D
+11.0%
4,7833,8288,676
D
+11.9%
4,5413,5728,116

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
10.4%
English
10.3%
Irish
9.2%
Italian
4.8%
American
2.7%
Scottish
1.9%
French
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: 37.5 in this county, 39.1 nationally
Male
Age
Female
0.7%
85+
1.3%
2.6%
75–84
2.8%
4.9%
65–74
5.3%
5.8%
55–64
6.0%
5.6%
45–54
5.7%
6.3%
35–44
6.1%
6.4%
25–34
6.2%
6.6%
18–24
7.3%
8.1%
5–17
7.6%
2.5%
<5
2.4%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$92,388
Assembly District 4 ranks near the middle of US counties.
Assembly District 4$92,388
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.9%
Child poverty is below the national average.
Children under 1812.7%
Working age (18–64)14.4%
Seniors (65+)11.7%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
66.2%
speak English only
Spanish23.8%
Asian & Pacific Islander5.1%
Other Indo-European4.6%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
25.2%
Other Christian
6.1%
Non-Christian
4.0%
Baptist
1.3%
Mainline Protestant
1.3%
Pentecostal & Holiness
1.1%
Methodist
0.5%
Source · 2020 US Religion Census. Remaining 60.7% of residents not counted as adherents by any reporting body.

Assembly District 4 delivered one of California's more decisive presidential margins in 2024, reflecting a densely populated constituency that has leaned strongly toward Democratic candidates across multiple cycles.

The Democratic margin in California 4th State House District reached its widest at fifty-three points in 1912. The margin in 2024 was twenty-nine points — still decisive.

Its loyalty is rooted in its place. Median household income of $92,388, a 53% non-Hispanic-white share, and a population of 453,611 together describe a district whose political habits are deeply settled.

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.
Assembly District 4, California. Akashic. https://akashic.app/sld-lower/06004/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Assembly District 4, California vote in 2024?
In 2024, Assembly District 4, California voted Democratic by 28.6 points (D+29), carried by the Democratic candidate. Out of 196,141 votes cast, 122,831 went Democratic and 66,825 went Republican.
What is Assembly District 4, California's political archetype?
Akashic classifies Assembly 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 26 times, Republican 12 times, and other 0 times.
When did Assembly District 4, California last vote Republican?
The most recent presidential election in which Assembly District 4, California voted Republican was 1984.
How many people live in Assembly District 4, California?
Assembly District 4, California has a population of 453,611 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Assembly District 4, California?
Median household income in Assembly District 4, California is $92,388 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Assembly District 4, California?
Akashic tracks 38 presidential elections in Assembly District 4, California from 1876 to 2024. Of those, 26 went Democratic and 12 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.