Casa de Oro-Mount Helix, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Casa de Oro-Mount Helix, California is 19,651 as of the 2023 American Community Survey, making it the 354th-largest city in California. The median household income is $123,037, the median home value is $906,500, and the median age is 44.0.
19,651
Population
2868
People / sq mi
$123,037
Median Income
$906,500
Median Home Value
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Casa de Oro-Mount Helix covers 6.9 sq mi of land at 2868 people per square mile.
About Casa de Oro-Mount Helix, CA
Housing cost is the defining feature of Casa de Oro-Mount Helix: the median home is valued at $906,500. Casa de Oro-Mount Helix is a city in California with a population of 19,651.
Households take in a median $123,037, comfortably above the US median of $78,538. Poverty is relatively low for US cities at 2.5%, below the national 12.4%. Home prices are steep, with the typical property valued at $906,500, with typical rent around $1,970.
Educational attainment is on the higher side for US cities — 48.0% of adults hold a four-year degree, above the national 35.0%. About 18.0% of workers primarily work from home, above the national 14.0%, and the average commute runs about 27 minutes each way.
High housing values reframe the income picture in Casa de Oro-Mount Helix — even solid earnings stretch less against home prices and rents at this level.
Race & Ethnicity
| White | 70.3% |
| Black or African American | 3.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.6% |
| Two or More Races | 0.0% |
Economy & Income
$123,037
Median Household Income
$58,567
Per Capita Income
2.5%
Poverty Rate
3.6%
Unemployment Rate
Housing
$906,500
Median Home Value
$1,970
Median Rent
76.9%
Owner-Occupied
Education
94.0%
High School+
48.0%
Bachelor's+
Commute
0.3%
Drive Alone
72.7%
Public Transit
18.0%
Work From Home
26.7 min
Avg Commute
Community Profile
26.5%
Foreign Born
82.2%
Non-English at Home
9.5%
Veterans
14.0%
With Disability
96.7%
Health Insurance
98.4%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.2% |
| Finance, Insurance & Real Estate | 18.2% |
| Information | 8.0% |
| Public Administration | 7.3% |
| Arts, Entertainment & Food Services | 6.5% |
| Manufacturing | 6.3% |
| Construction | 6.0% |
| Education, Health Care & Social Services | 5.0% |
| Retail Trade | 3.1% |
| Transportation & Warehousing | 2.1% |
| Agriculture & Mining | 0.5% |
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Frequently Asked Questions
Casa de Oro-Mount Helix, California has a population of 19,651 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 354th-largest city in California.
The median household income in Casa de Oro-Mount Helix, California is $123,037, with 2.5% of residents living below the federal poverty level.
The median home value in Casa de Oro-Mount Helix, California is $906,500, with median monthly rent at $1,970 and a homeownership rate of 76.9%.
The median age in Casa de Oro-Mount Helix, California is 44.0 years. The population is 49.5% male and 50.5% female.
Casa de Oro-Mount Helix Cdp, CA Climate
Casa de Oro-Mount Helix Cdp, CA has an average annual temperature of 18.2°C (65°F) and receives about 318 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
18.2°C
Avg Temp
318
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 56° | 63 mm |
| February | 14° / 58° | 59 mm |
| March | 15° / 59° | 61 mm |
| April | 17° / 62° | 26 mm |
| May | 18° / 65° | 7 mm |
| June | 21° / 69° | 2 mm |
| July | 23° / 74° | 1 mm |
| August | 24° / 75° | 3 mm |
| September | 23° / 74° | 7 mm |
| October | 20° / 69° | 11 mm |
| November | 16° / 61° | 36 mm |
| December | 14° / 56° | 42 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Casa de Oro-Mount Helix Cdp, CA
The most comfortable months to visit Casa de Oro-Mount Helix Cdp, CA are typically June, October and July, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near 7°C low). January is usually the wettest month.
Where to stay near Casa de Oro-Mount Helix
Visiting or relocating to Casa de Oro-Mount Helix, CA? Compare hotels and short-term rentals across the metro — live availability and prices.
Top-rated places to stay near Casa de Oro-Mount Helix
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.