akashic
1876–2024
Congressional District 13·California

California 13th Congressional District moved 16 points toward the Republican candidate between 2020 and 2024.

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

20082024·5 elections
CA
LatestR+5in 2024
TypologyNew Americancluster typology
Population1,221,5822024 ACS

California 13th Congressional District: New American district. In 2024, voted R+5%. Democratic peak: D+12 in 2016.

Key facts

2024 presidential margin
R+5MIT Election Lab
Political typology
New AmericanAkashic 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+12 in 2016MIT Election Lab
Peak Republican margin
R+5 in 2024MIT Election Lab
DW-NOMINATE
Member ideology
D
GRAY, AdamCongress 119 · Democratic
DW-NOMINATE first-dimension (economic) score-0.21 sits at approximately the 39th percentile.0-0.21−1 liberal+1 conservative
GRAY scores -0.21 on the first NOMINATE dimension (−1 most liberal, +1 most conservative).

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).
Congressional District 13
TrumpR+5
2024 presidential margin by county for Congressional District 13, CAA map of the constituent counties of Congressional District 13, CA, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Madera County, CA · R+21Merced County, CA · R+4Fresno County, CA · R+4Stanislaus County, CA · R+11San Joaquin County, CA · R+1
How it voted
Share of the 2024 vote
Donald TrumpRepublican51.3%110,422
Kamala HarrisDemocratic45.9%98,667
OtherAll other candidates2.8%6,001
D+60
R+60
5 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −5.5% in 2024.flipped R · 2024−5.5%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+10.0%
2012+10.5%
2016+12.5%
2020+10.9%
2024−5.5%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−5.5%
98,667110,422215,090
D
+10.9%
125,171100,106230,499
D
+12.5%
95,74073,361179,253
D
+10.5%
84,88168,816153,697
D
+10.0%
82,73367,590151,846

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

2024 ACS
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.
2024 ACS
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.
2020 religion census
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.

Across the recorded series it reached a Democratic high of twelve points in 2016 and a Republican high of five points in 2024. Between 2020 and 2024 the district moved sixteen points toward the Republican candidate; the 2024 margin was five points.

A population of 1,221,582, a 36% non-Hispanic-white share, and a median household income of $75,965 describe the district.

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 5.5 points (R+5), carried by the Republican candidate. Out of 215,090 votes cast, 98,667 went Democratic and 110,422 went Republican.
What is Congressional District 13, California's political typology?
Akashic places Congressional District 13, California in the "New American" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the district has voted Democratic 4 times, Republican 1 times, and other 0 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 5 presidential elections in Congressional District 13, California from 2008 to 2024. Of those, 4 went Democratic and 1 went Republican. The district's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.