akashic
1876–2024
Casa de Oro-Mount Helix·California

Casa de Oro-Mount Helix delivered D+7.6 in 2024.

20082024·5 elections
CA
Casa de Oro-Mount Helix
HarrisD+7.6
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic52.6%5,823
Donald TrumpRepublican44.9%4,980
OtherAll other candidates2.5%276
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
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: +7.6% in 2024.flipped D · 2016+7.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−6.1%
2012−8.7%
2016+3.0%
2020+11.0%
2024+7.6%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
52.6%Harris5,823
44.9%Trump4,980
2.5%
+7.6%
11,079
D
54.3%Biden6,464
43.3%Trump5,157
2.3%incl. Jorgensen
+11.0%
11,899
D
48.8%Clinton4,910
45.8%Trump4,607
5.3%incl. Johnson
+3.0%
10,052
R
45.7%Obama4,464
54.3%Romney5,310
0.0%
−8.7%
9,774
R
46.8%Obama4,682
52.9%McCain5,294
0.2%
−6.1%
10,000

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorCasa de Oro-Mount HelixCityCaliforniaStateUnited StatesNation
Race & Ethnicity
White67.3%39.7%61.0%
Black3.0%5.4%12.2%
Asian3.3%15.5%6.0%
Two or more races16.1%19.2%12.6%
Other race9.8%20.1%8.2%
Hispanic or Latino26.3%40.1%19.3%
Income & Age
Median household income$125,107$99,122$84,427
Poverty rate4.8%12.0%12.5%
Median age43.437.939.1
Age 18–249.8%9.1%9.2%
Age 65 and older15.4%15.6%17.2%
Education & Language
Bachelor's degree or higher (25+)43.2%36.6%35.6%
Speaks a non-English language at home37.3%44.4%22.3%
Spanish24.1%28.4%13.6%
Tagalog (incl. Filipino)2.7%2.1%0.6%
Other Indo-European2.1%3.4%2.0%
Chinese (incl. Mandarin & Cantonese)1.7%3.5%1.1%
Ancestry
Largest ancestryGerman 9.1%German 6.8%German 12.5%
2nd-largest ancestryEnglish 8.0%English 6.3%English 9.5%
3rd-largest ancestryIrish 7.8%Irish 5.9%Irish 9.4%
Religion
Catholic22.9%County context26.2%18.6%
Evangelical Protestant9.4%County context9.0%16.5%
Unaffiliated or unclaimed58.6%County context55.2%51.5%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
9.1%
English
8.0%
Irish
7.8%
Italian
4.2%
American
2.5%
French
1.8%
Polish
1.6%
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
62.7%
speak English only
Spanish24.1%
Tagalog (incl. Filipino)2.7%
Other Indo-European2.1%
Chinese (incl. Mandarin & Cantonese)1.7%
Other Asian & Pacific Island1.6%
Vietnamese1.2%
Arabic1.0%
Russian, Polish, or other Slavic0.7%
Other languages0.7%
Korean0.5%
French (incl. Cajun & Haitian)0.4%
German or other West Germanic0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic
22.9%
Evangelical Protestant
9.4%
Latter-day Saints
2.1%
Muslim
1.5%
Mainline Protestant
1.5%
Other Christian
1.4%
Buddhist
0.7%
Black Protestant
0.6%
Jewish
0.4%
Orthodox Christian
0.4%
Hindu
0.3%
Other faiths
0.2%
Unaffiliated or not counted58.6%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Casa de Oro-Mount Helix sits in the Pacific Coast. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 11.0 points in 2020 and a Republican high of 8.7 points in 2012. Between 2020 and 2024 the city moved 3.4 points toward the Republican candidate; the 2024 margin was 7.6 points.

A population of 19,765, a 67% non-Hispanic-white share, and a median household income of $125,107 describe the city.

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.
Casa de Oro-Mount Helix, California. Akashic. https://akashic.app/city/0611691/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Casa de Oro-Mount Helix, California vote in 2024?
In 2024, Casa de Oro-Mount Helix, California voted Democratic by 7.6 points (D+7.6), carried by the Democratic candidate. Out of 11,079 votes cast, 5,823 went Democratic and 4,980 went Republican.
What is Casa de Oro-Mount Helix, California's political typology?
Akashic places Casa de Oro-Mount Helix, California in the "" 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 city has voted Democratic 3 times, Republican 2 times, and other 0 times.
When did Casa de Oro-Mount Helix, California last vote Republican?
The most recent presidential election in which Casa de Oro-Mount Helix, California voted Republican was 2012.
How many people live in Casa de Oro-Mount Helix, California?
Casa de Oro-Mount Helix, California has a population of 19,765 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Casa de Oro-Mount Helix, California?
Median household income in Casa de Oro-Mount Helix, California is $125,107 — above the national median of $80,734. The California state median is $99,122.
What is the political history of Casa de Oro-Mount Helix, California?
Akashic tracks 5 presidential elections in Casa de Oro-Mount Helix, California from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.