akashic
1876–2024
Congressional District 20·California

California 20th Congressional District has voted Republican in fifteen straight presidential cycles.

One of California's most Democratic-leaning districts by presidential margin

18762024·38 elections
CA
Latest
R+19
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
1,088,239
2024 ACS

California 20th Congressional District, California: Republican loyalist district. In 2024, voted R+19%. Democratic peak: D+46 in 1912.

Key facts

2024 presidential margin
R+19MIT Election Lab
Political archetype
Republican loyalistAkashic typology
Population
1,088,2392024 5-year
Median household income
$71,0462024 5-year
White (non-Hispanic)
40.6%2024 5-year
Black
4.0%2024 5-year
Hispanic / Latino
59.4%2024 5-year
Peak Democratic margin
D+46 in 1912MIT Election Lab
Peak Republican margin
R+31 in 1924MIT Election Lab
R
FONG, VinceCongress 119 · Republican

Predecessors: MCCARTHY, Kevin (2023–2025), PANETTA, James Varni (2021–2023), PANETTA, James Varni (2019–2021), PANETTA, James Varni (2017–2019)

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

4 counties · 0 D · 4 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
−18.9%
129,890192,263330,297
R
−7.2%
161,138186,682356,046
R
−9.3%
118,069144,221281,625
R
−13.8%
106,311141,334254,312
R
−14.3%
111,486149,806267,244
R
−31.4%
82,526159,063244,013
R
−22.2%
80,200127,812214,847
R
−14.5%
77,752107,235202,934
R
−9.2%
74,83494,228211,302
R
−19.7%
70,862106,082179,120
R
−27.3%
64,293113,258179,300
R
−22.7%
54,04188,811153,198
R
−6.7%
61,83570,854135,431
R
−21.5%
53,14583,890143,069
R
−5.4%
57,46464,737135,529
D
+20.7%
79,32052,090131,544
R
−1.5%
61,81163,675126,050
R
−1.1%
54,83256,056111,251
R
−9.7%
47,01057,200105,007
D
+11.7%
42,63333,50578,276
D
+10.3%
34,81328,25263,448
D
+22.6%
42,79626,87470,404
D
+46.1%
36,78513,36850,837
D
+38.8%
28,83912,14743,028
R
−24.2%
12,85621,20534,432
R
−30.9%
5,25014,79630,884
R
−18.8%
8,87813,40324,100
D
+12.8%
13,68610,35825,985
O
+46.5%
8,123017,483
R
−6.4%
3,8384,4349,264
R
−15.4%
2,7423,9227,651
D
+7.3%
3,4682,9756,738
D
+20.7%
3,6662,3846,191
D
+15.1%
3,1102,0467,062
D
+8.8%
3,0222,5135,796
D
+13.5%
1,9311,4523,556
D
+17.9%
1,4971,0272,632
D
+19.6%
1,6391,1012,740

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
5.5%
English
5.2%
Irish
4.5%
American
2.7%
Italian
1.8%
Scottish
0.9%
French
0.8%
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
53.2%
speak English only
Spanish41.1%
Asian & Pacific Islander2.9%
Other Indo-European2.0%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
29.1%
Other Christian
9.9%
Pentecostal & Holiness
3.6%
Baptist
2.7%
Non-Christian
1.0%
Mainline Protestant
1.0%
Methodist
0.4%
Source · 2020 US Religion Census. Remaining 52.4% of residents not counted as adherents by any reporting body.

Anchored in the Los Angeles area, CA-20 posted a 37.8-point Democratic presidential margin in 2024, placing it among the most lopsided congressional districts in the state and reflecting a heavily urban, majority-minority electorate.

The Republican margin in California 20th Congressional District reached its widest at thirty-one points in 2004. The margin in 2024 was nineteen points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $71,046, a 41% non-Hispanic-white share, and a population of 1,088,239 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.
Congressional District 20, California. Akashic. https://akashic.app/cd/0620/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 20, California vote in 2024?
In 2024, Congressional District 20, California voted Republican by 18.9 points (R+19), carried by the Republican candidate. Out of 330,297 votes cast, 129,890 went Democratic and 192,263 went Republican.
What is Congressional District 20, California's political archetype?
Akashic classifies Congressional District 20, 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 14 times, Republican 23 times, and other 1 times.
When did Congressional District 20, California last vote Democratic?
The most recent presidential election in which Congressional District 20, California voted Democratic was 1964.
How many people live in Congressional District 20, California?
Congressional District 20, California has a population of 1,088,239 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 20, California?
Median household income in Congressional District 20, California is $71,046 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Congressional District 20, California?
Akashic tracks 38 presidential elections in Congressional District 20, California from 1876 to 2024. Of those, 14 went Democratic and 23 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.