California 66th State House District, California: Democratic loyalist district. In 2024, voted D+33%. Republican peak: R+58 in 1924.
Key facts
- 2024 presidential margin
- D+33MIT Election Lab
- Political archetype
- Democratic loyalistAkashic typology
- Population
- 181,3632024 5-year
- Median household income
- $90,1122024 5-year
- White (non-Hispanic)
- 30.9%2024 5-year
- Black
- 7.7%2024 5-year
- Hispanic / Latino
- 48.4%2024 5-year
- Peak Democratic margin
- D+49 in 2016MIT Election Lab
- Peak Republican margin
- R+58 in 1924MIT Election Lab
Constituent county margins for Assembly District 66, 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 | 44,692 | 22,001 | 68,951 | ||
| D | 56,004 | 21,181 | 79,210 | ||
| D | 45,566 | 14,233 | 63,501 | ||
| D | 40,991 | 16,370 | 58,818 | ||
| D | 42,450 | 17,684 | 61,355 | ||
| D | 35,274 | 19,899 | 55,901 | ||
| D | 31,627 | 16,122 | 49,834 | ||
| D | 26,452 | 13,804 | 44,580 | ||
| D | 26,746 | 14,785 | 50,911 | ||
| D | 25,375 | 22,922 | 48,900 | ||
| R | 21,428 | 26,332 | 48,313 | ||
| R | 18,117 | 22,642 | 45,119 | ||
| D | 22,593 | 21,724 | 45,468 | ||
| R | 22,003 | 28,654 | 52,334 | ||
| R | 22,618 | 23,417 | 49,146 | ||
| D | 28,998 | 21,468 | 50,495 | ||
| D | 24,477 | 24,086 | 48,712 | ||
| R | 18,636 | 23,301 | 42,073 | ||
| R | 17,567 | 22,687 | 40,701 | ||
| D | 15,027 | 14,870 | 31,971 | ||
| D | 16,387 | 12,323 | 28,873 | ||
| D | 15,212 | 10,618 | 26,168 | ||
| D | 14,003 | 6,608 | 20,901 | ||
| D | 10,252 | 6,910 | 17,928 | ||
| R | 3,882 | 9,495 | 13,522 | ||
| R | 620 | 5,541 | 8,458 | ||
| R | 1,029 | 3,293 | 4,766 | ||
| R | 2,109 | 2,506 | 4,954 | ||
| O | 1,019 | 0 | 3,056 | ||
| R | 408 | 767 | 1,351 | ||
| R | 185 | 601 | 904 | ||
| R | 243 | 355 | 644 | ||
| R | 297 | 312 | 629 | ||
| R | 150 | 189 | 421 | ||
| R | 187 | 255 | 467 | ||
| R | 87 | 103 | 200 | ||
| R | 53 | 54 | 112 | ||
| D | 67 | 56 | 123 |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
4.3%
Irish
3.8%
English
3.8%
American
3.1%
Italian
2.5%
Polish
1.1%
French
1.0%
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: 38.2 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
$90,112
Assembly District 66 ranks near the middle of US counties.
Assembly District 66$90,112
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
13.7%
Children face moderate poverty.
Children under 1817.6%
Working age (18–64)12.5%
Seniors (65+)15.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
44.9%
speak English only
Spanish37.6%
Asian & Pacific Islander10.7%
Other Indo-European5.6%
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.
Assembly District 66 covers much of Long Beach, where a diverse, working-class electorate tied to one of the nation's busiest ports has delivered Democratic presidential margins exceeding 20 points in recent cycles.
The Democratic margin in California 66th State House District reached its widest at forty-nine points in 2016. The margin in 2024 was thirty-three points — still decisive.
Its loyalty is rooted in its place. Median household income of $90,112, a 31% non-Hispanic-white share, and a population of 181,363 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 66, California. Akashic. https://akashic.app/sld-lower/06066/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Assembly District 66, California vote in 2024?
In 2024, Assembly District 66, California voted Democratic by 32.9 points (D+33), carried by the Democratic candidate. Out of 68,951 votes cast, 44,692 went Democratic and 22,001 went Republican.
What is Assembly District 66, California's political archetype?
Akashic classifies Assembly District 66, 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 19 times, Republican 18 times, and other 1 times.
When did Assembly District 66, California last vote Republican?
The most recent presidential election in which Assembly District 66, California voted Republican was 1984.
How many people live in Assembly District 66, California?
Assembly District 66, California has a population of 181,363 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Assembly District 66, California?
Median household income in Assembly District 66, California is $90,112 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Assembly District 66, California?
Akashic tracks 38 presidential elections in Assembly District 66, California from 1876 to 2024. Of those, 19 went Democratic and 18 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.