akashic
1876–2024
State Senate District 3·California

California 3rd State Senate District has voted Democratic by double digits in every cycle this century.

One of California's most Democratic-leaning upper-chamber seats

18762024·38 elections
CA
Latest
D+29
in 2024
Archetype
Urban anchor
since the recent cycles
Population
1,349,527
2024 ACS

California 3rd State Senate District, California: Urban anchor district. In 2024, voted D+29%. Democratic peak: D+48 in 1912.

Key facts

2024 presidential margin
D+29MIT Election Lab
Political archetype
Urban anchorAkashic typology
Population
1,349,5272024 5-year
Median household income
$103,0382024 5-year
White (non-Hispanic)
44.6%2024 5-year
Black
8.2%2024 5-year
Hispanic / Latino
29.5%2024 5-year
Peak Democratic margin
D+48 in 1912MIT Election Lab
Peak Republican margin
R+39 in 1924MIT Election Lab
7 counties · 6 D · 1 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+29.4%
369,759197,386586,869
D
+35.7%
423,854196,707636,571
D
+34.4%
329,069149,616521,215
D
+29.8%
303,708160,957478,353
D
+31.0%
324,121167,970503,116
D
+17.0%
266,210188,002460,290
D
+16.1%
227,973161,942411,163
D
+18.6%
204,584134,278378,717
D
+18.5%
203,306125,731418,305
D
+3.8%
180,768167,343352,722
R
−9.1%
147,692177,812329,507
R
−9.9%
114,595143,964296,840
D
+5.1%
128,491115,586251,783
R
−6.9%
112,062129,100248,677
D
+9.3%
100,83382,074201,850
D
+32.5%
124,25863,254187,752
D
+8.6%
92,30677,653170,617
D
+3.6%
75,31370,079145,764
D
+0.1%
68,06567,904136,820
D
+15.2%
57,54141,913103,120
D
+27.1%
57,02332,66490,040
D
+26.5%
44,36125,60770,699
D
+44.8%
40,46715,21856,350
D
+33.0%
32,30015,91449,627
R
−11.0%
18,18722,73241,311
R
−39.0%
3,20715,84432,431
R
−38.3%
8,48220,37231,073
D
+7.8%
16,17913,69931,682
O
+48.0%
11,523024,024
R
−18.6%
6,3239,53017,277
R
−29.1%
4,9279,51915,769
R
−10.6%
6,7748,44115,745
R
−5.4%
6,9637,76815,023
R
−2.3%
6,5646,90614,561
R
−2.9%
6,3956,78213,515
R
−8.8%
5,6236,72712,597
R
−1.7%
5,3585,54611,012
R
−4.8%
4,9595,46410,424

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
8.3%
English
8.1%
Irish
7.3%
Italian
4.3%
American
2.3%
French
1.6%
Scottish
1.5%
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.
Language at home
Population aged 5 and older
66.2%
speak English only
Spanish18.8%
Asian & Pacific Islander8.9%
Other Indo-European5.3%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
21.1%
Other Christian
7.4%
Baptist
2.8%
Non-Christian
2.7%
Pentecostal & Holiness
1.9%
Mainline Protestant
1.1%
Methodist
0.5%
Source · 2020 US Religion Census. Remaining 62.4% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of D+32, this district anchors the progressive coastal wing of the California Senate. Its seven-figure population makes it one of the larger state upper-chamber constituencies in the nation.

The Democratic margin in California 3rd State Senate District has been steady. It reached its modern peak at forty-eight points in 1912; the 2024 margin was twenty-nine points, still in line with the district's long pattern.

Its political identity is inseparable from its demographic profile: a 45% non-Hispanic-white share, a median household income of $103,038, 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.
State Senate District 3, California. Akashic. https://akashic.app/sld-upper/06003/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did State Senate District 3, California vote in 2024?
In 2024, State Senate District 3, California voted Democratic by 29.4 points (D+29), carried by the Democratic candidate. Out of 586,869 votes cast, 369,759 went Democratic and 197,386 went Republican.
What is State Senate District 3, California's political archetype?
Akashic classifies State Senate District 3, 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 22 times, Republican 15 times, and other 1 times.
When did State Senate District 3, California last vote Republican?
The most recent presidential election in which State Senate District 3, California voted Republican was 1984.
How many people live in State Senate District 3, California?
State Senate District 3, California has a population of 1,349,527 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State Senate District 3, California?
Median household income in State Senate District 3, California is $103,038 — above the national median of $80,734. The California state median is $99,122.
What is the political history of State Senate District 3, California?
Akashic tracks 38 presidential elections in State Senate District 3, California from 1876 to 2024. Of those, 22 went Democratic and 15 went Republican. The district's archetype — "Urban anchor" — captures the overall trajectory of that voting record.