akashic
1876–2024
Congressional District 13·California

California 13th Congressional District votes the way the country votes.

One of the nation's most lopsided congressional districts by presidential margin

18762024·38 elections
CA
Latest
R+7
in 2024
Archetype
Bellwether
since the recent cycles
Population
1,221,582
2024 ACS

California 13th Congressional District, California: Bellwether district. In 2024, voted R+7%. Democratic peak: D+47 in 1936.

Key facts

2024 presidential margin
R+7MIT Election Lab
Political archetype
BellwetherAkashic typology
Population
1,221,5822024 5-year
Median household income
$75,9652024 5-year
White (non-Hispanic)
36.1%2024 5-year
Black
3.8%2024 5-year
Hispanic / Latino
54.5%2024 5-year
Peak Democratic margin
D+47 in 1936MIT Election Lab
Peak Republican margin
R+38 in 1924MIT Election Lab
D
GRAY, AdamCongress 119 · Democratic

Predecessors: DUARTE, John (2023–2025), LEE, Barbara (2021–2023), LEE, Barbara (2019–2021), LEE, Barbara (2017–2019)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

5 counties · 0 D · 5 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
R
−6.5%
180,911206,955399,464
D
+6.3%
225,435197,972434,189
D
+6.1%
169,360148,289343,855
D
+4.0%
156,092143,902308,033
D
+3.5%
162,431151,245320,632
R
−15.8%
120,542166,428289,911
R
−8.7%
112,182134,304255,713
R
−0.6%
107,324108,849236,107
D
+2.6%
103,34696,730250,622
R
−4.5%
98,704108,176209,420
R
−15.5%
87,037119,287208,430
R
−10.4%
72,27090,977179,370
D
+3.7%
81,01875,086159,951
R
−7.4%
74,29986,641166,493
D
+3.8%
69,28663,783144,920
D
+32.1%
94,91948,759143,822
D
+7.0%
73,36563,748137,776
D
+7.1%
66,52057,636124,476
R
−4.5%
54,97260,176116,150
D
+11.5%
47,15237,09187,516
D
+17.1%
41,33329,20271,074
D
+24.9%
47,08028,15676,141
D
+46.8%
42,58815,14758,581
D
+36.6%
32,87914,64549,885
R
−19.7%
15,41323,09139,010
R
−37.5%
3,95716,87034,419
R
−26.9%
8,83516,24927,554
D
+10.4%
14,34111,37128,603
O
+44.8%
9,242020,628
R
−9.1%
4,6595,72311,743
R
−18.0%
3,2704,8919,011
D
+3.8%
4,0483,7378,108
D
+16.5%
4,3443,0907,619
D
+24.1%
3,7641,8138,079
D
+9.1%
3,3902,8046,443
D
+9.7%
2,9572,4245,515
D
+16.7%
2,2661,6163,891
D
+16.9%
2,1361,5183,654

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2024D58.9%41.1%15,348,846
2022D61.1%38.9%10,843,650
2018D100.0%0.0%11,113,364
2016D100.0%0.0%12,244,170
2012D62.5%37.5%12,578,511
2010D52.2%42.2%10,000,160
2006D59.4%35.0%8,541,476
2004D57.7%37.8%12,053,295
2000D55.8%36.6%10,623,608
1998D53.1%43.0%8,311,905
1994D46.7%44.8%8,514,089
1992D47.9%43.0%10,799,703
1988R44.0%52.8%9,743,598
1986D49.3%47.9%7,398,462
1982R44.8%51.5%7,805,450
1980D56.5%37.1%8,324,012
1976R46.9%50.2%7,470,586

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
6.0%
English
4.8%
Irish
4.7%
Italian
2.6%
American
1.8%
French
0.9%
Scottish
0.9%
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
54.3%
speak English only
Spanish35.8%
Asian & Pacific Islander4.5%
Other Indo-European4.3%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
25.0%
Other Christian
9.1%
Pentecostal & Holiness
3.1%
Baptist
1.8%
Non-Christian
1.4%
Mainline Protestant
1.0%
Methodist
0.5%
Source · 2020 US Religion Census. Remaining 58.0% of residents not counted as adherents by any reporting body.

California's 13th covers the urban East Bay core around Oakland, where the 2024 presidential result landed at D+73 — a margin that places it among the most Democratic-leaning districts in the country by raw vote spread.

The Democratic margin in California 13th Congressional District has rarely exceeded forty-seven points in modern history; the Republican margin has rarely exceeded thirty-eight points. 2024 delivered the district to the Republican candidate by seven points.

Its demographics resemble the country more than they resemble most districts. A 36% non-Hispanic-white share, a 17% poverty rate, and a median household income of $75,965 — all within the broad national range.

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.
Congressional District 13, California. Akashic. https://akashic.app/cd/0613/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 13, California vote in 2024?
In 2024, Congressional District 13, California voted Republican by 6.5 points (R+7), carried by the Republican candidate. Out of 399,464 votes cast, 180,911 went Democratic and 206,955 went Republican.
What is Congressional District 13, California's political archetype?
Akashic classifies Congressional District 13, California as a "Bellwether" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 23 times, Republican 14 times, and other 1 times.
When did Congressional District 13, California last vote Democratic?
The most recent presidential election in which Congressional District 13, California voted Democratic was 2020.
How many people live in Congressional District 13, California?
Congressional District 13, California has a population of 1,221,582 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 13, California?
Median household income in Congressional District 13, California is $75,965 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Congressional District 13, California?
Akashic tracks 38 presidential elections in Congressional District 13, California from 1876 to 2024. Of those, 23 went Democratic and 14 went Republican. The district's archetype — "Bellwether" — captures the overall trajectory of that voting record.