California 25th Congressional District (CA) — Elections 1876–2024

California 25th Congressional District, California: Tossup district. In 2024, voted R+1%. Republican peak: R+50 in 1928.

Key facts

2024 presidential margin: R+1MIT Election Lab
Political archetype: TossupAkashic typology
Population: 2,253,4622024 5-year
Median household income: $89,2872024 5-year
White (non-Hispanic): 35.6%2024 5-year
Black: 6.2%2024 5-year
Hispanic / Latino: 54.6%2024 5-year
Peak Democratic margin: D+33 in 1912MIT Election Lab
Peak Republican margin: R+50 in 1928MIT Election Lab

RUIZ, RaulCongress 119 · Democratic

−1 liberal

+1 conservative

Predecessors: GARCIA, Mike (2021–2023), HILL, Katie (2019–2021), GARCIA, Mike (2019–2021), KNIGHT, Steve (2017–2019)

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

2024 results by constituent county

3 counties · 0 D · 3 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).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−1.3%	399,025	410,182	831,425
2020	D	+9.3%	475,003	392,420	885,300
2016	D	+8.6%	346,487	288,328	675,043
2012	D	+4.4%	302,120	276,341	592,608
2008	D	+4.4%	299,596	273,680	584,469
2004	R	−14.6%	212,579	286,074	504,420
2000	R	−4.6%	189,483	208,633	413,397
1996	R	−0.5%	159,987	161,925	362,528
1992	D	+1.8%	154,852	147,690	397,203
1988	R	−19.5%	125,875	187,647	316,838
1984	R	−28.2%	96,953	174,150	273,924
1980	R	−27.4%	75,158	139,560	234,657
1976	R	−1.0%	93,880	95,840	194,182
1972	R	−21.3%	70,776	110,930	188,723
1968	R	−13.7%	63,179	85,506	163,168
1964	D	+12.4%	85,174	66,394	151,687
1960	R	−10.4%	57,593	71,004	129,193
1956	R	−20.6%	41,206	62,654	104,311
1952	R	−26.2%	32,172	55,298	88,267
1948	R	−11.3%	28,030	35,487	65,968
1944	R	−5.8%	24,098	27,109	51,588
1940	D	+0.9%	27,017	26,519	54,208
1936	D	+10.2%	24,228	19,680	44,434
1932	D	+11.0%	21,196	16,826	39,736
1928	R	−50.2%	7,148	21,900	29,368
1924	R	−48.0%	2,051	12,463	21,700
1920	R	−42.1%	4,768	12,903	19,328
1916	R	−9.4%	7,780	9,616	19,548
1912	O	+33.1%	4,188	0	12,643
1908	R	−25.7%	2,014	3,851	7,136
1904	R	−45.3%	693	2,406	3,781
1900	R	−27.3%	1,122	2,086	3,527
1896	R	−8.0%	1,570	1,853	3,557
1892	R	−15.0%	329	476	978
1888	R	−11.6%	309	395	739
1884	R	−11.2%	166	209	384
1880	R	−1.0%	92	94	192
1876	R	−5.4%	78	87	168

Congressional elections · 17 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	D %	R %	Total
2024	D	58.9%	41.1%	15,348,846
2022	D	61.1%	38.9%	10,843,650
2018	D	100.0%	0.0%	11,113,364
2016	D	100.0%	0.0%	12,244,170
2012	D	62.5%	37.5%	12,578,511
2010	D	52.2%	42.2%	10,000,160
2006	D	59.4%	35.0%	8,541,476
2004	D	57.7%	37.8%	12,053,295
2000	D	55.8%	36.6%	10,623,608
1998	D	53.1%	43.0%	8,311,905
1994	D	46.7%	44.8%	8,514,089
1992	D	47.9%	43.0%	10,799,703
1988	R	44.0%	52.8%	9,743,598
1986	D	49.3%	47.9%	7,398,462
1982	R	44.8%	51.5%	7,805,450
1980	D	56.5%	37.1%	8,324,012
1976	R	46.9%	50.2%	7,470,586

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

6.1%

English

5.6%

Irish

4.9%

Italian

2.7%

American

2.6%

French

1.1%

Scottish

1.0%

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: 36.4 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.0%

2.1%

75–84

2.5%

4.2%

65–74

4.5%

5.8%

55–64

5.7%

6.0%

45–54

5.9%

6.9%

35–44

6.6%

7.2%

25–34

6.8%

4.9%

18–24

4.6%

9.5%

5–17

9.1%

3.1%

2.9%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$89,287

Congressional District 25 ranks near the middle of US counties.

Congressional District 25$89,287

California$99,122

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

11.7%

Child poverty is below the national average.

Children under 1814.7%

Working age (18–64)10.6%

Seniors (65+)12.3%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

54.7%

speak English only

Spanish38.2%

Asian & Pacific Islander4.3%

Other Indo-European1.9%

Other languages1.0%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

30.5%

Other Christian

10.7%

Pentecostal & Holiness

2.0%

Non-Christian

1.5%

Baptist

1.5%

Mainline Protestant

0.8%

Methodist

0.3%

Source · 2020 US Religion Census. Remaining 52.7% of residents not counted as adherents by any reporting body.

CA-25 covers parts of the Santa Clarita Valley and western San Fernando Valley, a suburban stretch where competitive margins have made it a consistent target for both parties in recent cycles.

The district's recent history is a story of close margins. The Democratic margin reached thirty-three points in 1912; the Republican margin reached fifty points in 1928. Most other elections have been decided by single-digit points.

Its demographics — a population of 2,253,462, a 36% non-Hispanic-white share, a median household income of $89,287 — situate the district close to national averages on several dimensions.

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 25, California. Akashic. https://akashic.app/cd/0625/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 25, California vote in 2024?

In 2024, Congressional District 25, California voted Republican by 1.3 points (R+1), carried by the Republican candidate. Out of 831,425 votes cast, 399,025 went Democratic and 410,182 went Republican.

What is Congressional District 25, California's political archetype?

Akashic classifies Congressional District 25, California as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 9 times, Republican 28 times, and other 1 times.

When did Congressional District 25, California last vote Democratic?

The most recent presidential election in which Congressional District 25, California voted Democratic was 2020.

How many people live in Congressional District 25, California?

Congressional District 25, California has a population of 2,253,462 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 25, California?

Median household income in Congressional District 25, California is $89,287 — above the national median of $80,734. The California state median is $99,122.

What is the political history of Congressional District 25, California?

Akashic tracks 38 presidential elections in Congressional District 25, California from 1876 to 2024. Of those, 9 went Democratic and 28 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.

California 25th Congressional District delivered R+1 in 2024 — close enough to flip again next time.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions