California 42nd State House District, California: Urban anchor district. In 2024, voted D+28%. Republican peak: R+58 in 1924.
Key facts
- 2024 presidential margin
- D+28MIT Election Lab
- Political archetype
- Urban anchorAkashic typology
- Population
- 657,9242024 5-year
- Median household income
- $94,5552024 5-year
- White (non-Hispanic)
- 35.7%2024 5-year
- Black
- 6.4%2024 5-year
- Hispanic / Latino
- 47.5%2024 5-year
- Peak Democratic margin
- D+41 in 2016MIT Election Lab
- Peak Republican margin
- R+58 in 1924MIT Election Lab
Constituent county margins for Assembly District 42, 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 | 164,089 | 89,972 | 262,421 | ||
| D | 201,885 | 88,256 | 297,466 | ||
| D | 162,461 | 63,440 | 241,508 | ||
| D | 145,447 | 72,215 | 223,321 | ||
| D | 152,503 | 75,535 | 232,809 | ||
| D | 125,476 | 84,321 | 212,552 | ||
| D | 112,467 | 69,430 | 190,102 | ||
| D | 93,944 | 58,135 | 169,760 | ||
| D | 92,684 | 58,358 | 190,460 | ||
| R | 87,068 | 90,558 | 179,817 | ||
| R | 71,991 | 100,806 | 174,797 | ||
| R | 60,874 | 83,977 | 160,540 | ||
| R | 75,613 | 75,680 | 155,271 | ||
| R | 70,547 | 97,387 | 173,741 | ||
| R | 72,007 | 76,364 | 158,663 | ||
| D | 91,703 | 67,442 | 159,255 | ||
| D | 75,021 | 73,876 | 149,369 | ||
| R | 57,006 | 70,123 | 127,536 | ||
| R | 53,156 | 67,873 | 122,329 | ||
| D | 45,418 | 44,240 | 95,664 | ||
| D | 48,927 | 36,576 | 85,988 | ||
| D | 45,422 | 31,816 | 78,228 | ||
| D | 41,708 | 19,906 | 62,470 | ||
| D | 30,731 | 20,636 | 53,645 | ||
| R | 11,563 | 28,270 | 40,261 | ||
| R | 1,904 | 16,576 | 25,312 | ||
| R | 3,122 | 10,178 | 14,608 | ||
| R | 6,427 | 7,746 | 15,194 | ||
| O | 3,236 | 0 | 9,442 | ||
| R | 1,356 | 2,485 | 4,380 | ||
| R | 670 | 2,042 | 3,093 | ||
| R | 920 | 1,300 | 2,376 | ||
| R | 1,093 | 1,153 | 2,314 | ||
| R | 592 | 759 | 1,671 | ||
| R | 686 | 913 | 1,677 | ||
| R | 350 | 423 | 809 | ||
| R | 241 | 258 | 515 | ||
| D | 293 | 266 | 559 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
5.2%
English
4.8%
Irish
4.7%
American
3.1%
Italian
2.9%
French
1.2%
Polish
1.2%
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: 38.5 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
$94,555
Assembly District 42 ranks near the middle of US counties.
Assembly District 42$94,555
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.7%
Children face moderate poverty.
Children under 1816.5%
Working age (18–64)11.5%
Seniors (65+)14.6%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
48.7%
speak English only
Spanish35.9%
Asian & Pacific Islander9.2%
Other Indo-European5.0%
Other languages1.2%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 49.1% of residents not counted as adherents by any reporting body.
California 42nd State House District is a political anchor of the Pacific Coast. Its population of 657,924 and its concentration of urban, diverse, and college-educated voters have made it a Democratic stronghold for decades running.
The Democratic margin in California 42nd State House District has been steady. It reached its modern peak at forty-one points in 2016; the 2024 margin was twenty-eight points, still in line with the district's long pattern.
Its political identity is inseparable from its demographic profile: a 36% non-Hispanic-white share, a median household income of $94,555, 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.
Assembly District 42, California. Akashic. https://akashic.app/sld-lower/06042/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Assembly District 42, California vote in 2024?
In 2024, Assembly District 42, California voted Democratic by 28.2 points (D+28), carried by the Democratic candidate. Out of 262,421 votes cast, 164,089 went Democratic and 89,972 went Republican.
What is Assembly District 42, California's political archetype?
Akashic classifies Assembly District 42, 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 17 times, Republican 20 times, and other 1 times.
When did Assembly District 42, California last vote Republican?
The most recent presidential election in which Assembly District 42, California voted Republican was 1988.
How many people live in Assembly District 42, California?
Assembly District 42, California has a population of 657,924 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Assembly District 42, California?
Median household income in Assembly District 42, California is $94,555 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Assembly District 42, California?
Akashic tracks 38 presidential elections in Assembly District 42, California from 1876 to 2024. Of those, 17 went Democratic and 20 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.