akashic
1876–2024
Assembly District 1·California

California 1st State House District has voted Republican in twelve straight presidential cycles.

One of California's most Democratic-leaning legislative districts

1876 — 2024·38 elections
CA
Latest
R+15
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
861,636
2024 ACS

California 1st State House District, California: Republican loyalist district. In 2024, voted R+15%. Democratic peak: D+48 in 1912.

Key facts

2024 presidential margin
R+15MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
861,6362024 5-year
Median household income
$95,0532024 5-year
White (non-Hispanic)
75.3%2024 5-year
Black
1.4%2024 5-year
Hispanic / Latino
14.1%2024 5-year
Peak Democratic margin
D+48 in 1912MIT Election Lab
Peak Republican margin
R+34 in 1920MIT Election Lab
2024 results by constituent county
11 counties · 2 D · 9 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
R
−14.5%
192,781260,604467,003
R
−12.0%
205,830263,829481,758
R
−17.2%
146,713215,403399,373
R
−18.9%
146,401217,676376,638
R
−12.8%
166,804217,148393,973
R
−25.8%
134,199229,270368,683
R
−25.9%
106,384186,717310,230
R
−16.3%
98,649143,574275,653
R
−5.8%
96,265112,913285,480
R
−17.7%
92,861133,704230,619
R
−26.2%
75,863131,126210,785
R
−24.6%
59,038104,323183,930
D
+3.8%
71,67566,211142,862
R
−6.1%
58,14866,155130,692
D
+2.0%
49,51047,379107,431
D
+29.0%
67,76237,234105,129
D
+11.7%
52,84841,67295,125
D
+3.2%
42,80940,17783,304
R
−9.5%
36,93344,71782,347
D
+15.1%
37,56327,31667,718
D
+20.6%
32,37321,25253,882
D
+34.1%
44,48121,66366,858
D
+47.5%
37,77413,25151,657
D
+43.7%
30,16511,37342,992
R
−4.9%
15,42117,02132,846
O
−27.9%
3,27211,34428,923
R
−33.9%
7,16615,53924,697
D
+20.5%
18,09111,50932,146
O
+48.3%
12,998026,897
R
−10.3%
8,66410,90021,714
R
−25.9%
6,88512,33221,001
R
−7.0%
10,24811,83222,672
D
+8.8%
11,8399,89022,153
R
−1.5%
9,5899,90421,695
R
−2.3%
10,57811,09322,096
R
−5.5%
9,24710,35320,001
R
−3.1%
9,0859,67918,964
R
−4.3%
8,0438,76816,770

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
14.8%
English
14.4%
Irish
11.8%
Italian
6.2%
American
3.9%
Scottish
2.6%
French
2.6%
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: 44.5 in this county, 39.1 nationally
Male
Age
Female
1.0%
85+
1.5%
3.3%
75–84
3.7%
6.5%
65–74
7.1%
6.8%
55–64
7.1%
6.1%
45–54
5.8%
6.7%
35–44
6.3%
5.7%
25–34
5.3%
3.6%
18–24
3.2%
7.9%
5–17
7.6%
2.4%
<5
2.3%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$95,053
Assembly District 1 ranks near the middle of US counties.
Assembly District 1$95,053
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.9%
Child poverty is below the national average.
Children under 1810.1%
Working age (18–64)9.8%
Seniors (65+)9.5%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
87.7%
speak English only
Spanish6.0%
Other Indo-European3.1%
Asian & Pacific Islander2.6%
Other languages0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Religious adherence data not available for this county.

Anchored in the North Coast and parts of the Bay Area, Assembly District 1 has recorded presidential margins exceeding 50 points Democratic, reflecting a highly educated, environmentally oriented electorate with relatively low population density outside urban cores.

The Republican margin in California 1st State House District reached its widest at thirty-four points in 1920. The margin in 2024 was fifteen points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $95,053, a 75% non-Hispanic-white share, and a population of 861,636 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 1, California. Akashic. https://akashic.app/sld-lower/06001/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Assembly District 1, California vote in 2024?
In 2024, Assembly District 1, California voted Republican by 14.5 points (R+15), carried by the Republican candidate. Out of 467,003 votes cast, 192,781 went Democratic and 260,604 went Republican.
What is Assembly District 1, California's political archetype?
Akashic classifies Assembly District 1, California as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 12 times, Republican 24 times, and other 2 times.
When did Assembly District 1, California last vote Democratic?
The most recent presidential election in which Assembly District 1, California voted Democratic was 1976.
How many people live in Assembly District 1, California?
Assembly District 1, California has a population of 861,636 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Assembly District 1, California?
Median household income in Assembly District 1, California is $95,053 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Assembly District 1, California?
Akashic tracks 38 presidential elections in Assembly District 1, California from 1876 to 2024. Of those, 12 went Democratic and 24 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.