Census-designated place · California
Casa de Oro-Mount Helix, California
Casa de Oro-Mount Helix, census-designated place, in San Diego County, California. Casa de Oro-Mount Helix had 19,765 people in the ACS 2020-2024 5-year estimates (±1,267). GEOID 0611691.
Residents, 2020-2024
19,765
±1,267 (90% margin)
2020 Census count: 19,576
Median household income
$125,107
±$7,380 (90% margin)
California: $99,122
Median home value
$952,400
±$30,024 (90% margin)
California: $734,700
Median gross rent
$1,973
±$228 (90% margin)
California: $2,036
Where is Casa de Oro-Mount Helix and what county is it in?
Casa de Oro-Mount Helix is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in San Diego County, California. It covers 6.9 square miles of land, 2,857 residents per square mile in 2020.
Casa de Oro-Mount Helix is in the San Diego-Chula Vista-Carlsbad, CA metropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Casa de Oro-Mount Helix, and is it growing?
The 2020-2024 American Community Survey puts Casa de Oro-Mount Helix's population at 19,765 (±1,267). The 2020 Census counted 19,576 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Casa de Oro-Mount Helix is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Casa de Oro-Mount Helix | San Diego County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 19,765 ±1,267 | 3,288,774 | no clear change |
| Households | 7,034 ±383 | 1,171,278 | no clear change |
| Average household size | 2.78 ±0.10 | 2.72 | no clear change |
| Housing units | 7,389 ±407 | 1,250,641 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Casa de Oro-Mount Helix?
The median resident of Casa de Oro-Mount Helix is 43.4 years old; 22.2% are under 18 and 21.4% are 65 or older. The largest group is non-Hispanic white residents at 60.7%, then Hispanic or Latino residents (of any race) at 26.3%. 10.2% of residents were born outside the United States.
| Measure | Casa de Oro-Mount Helix | San Diego County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.4 ±3.6 | 37.3 | no clear change |
| Under 18 years | 22.2% ±2.1 pts | 20.9% | – |
| 65 years and over | 21.4% ±2.2 pts | 15.4% | – |
| Male | 49.3% ±1.9 pts | 50.5% | – |
| Hispanic or Latino (any race) | 26.3% ±4.0 pts | 34.6% | no clear change |
| White alone, not Hispanic | 60.7% ±4.0 pts | 42.4% | no clear change |
| Black or African American alone, not Hispanic | 2.7% ±1.8 pts | 4.4% | – |
| Asian alone, not Hispanic | 3.1% ±1.4 pts | 12.1% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.4 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.5% ±0.5 pts | 0.4% | – |
| Two or more races, not Hispanic | 4.9% ±1.3 pts | 5.3% | – |
| Some other race alone, not Hispanic | 1.3% ±0.9 pts | 0.6% | – |
| Born outside the United States | 10.2% ±1.8 pts | 22.8% | no clear change |
| Speak a language other than English at home (age 5+) | 19.3% ±2.9 pts | 37.3% | – |
| Civilian veterans (age 18+) | 9.2% ±1.6 pts | 7.3% | – |
| With a disability | 13.2% ±2.6 pts | 11.1% | – |
| No health insurance coverage | 2.4% ±1.0 pts | 6.4% | −3.3 pts |
| High school graduate or higher (age 25+) | 94.4% ±2.1 pts | 89.1% | – |
| Bachelor's degree or higher (age 25+) | 46.5% ±3.8 pts | 43.2% | no clear change |
| Graduate or professional degree (age 25+) | 20.2% ±2.8 pts | 17.2% | – |
| Lived in the same house a year earlier | 93.1% ±2.1 pts | 87.2% | – |
| Moved from another state in the past year | 1.2% ±0.6 pts | 2.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Casa de Oro-Mount Helix earn?
Half of Casa de Oro-Mount Helix's 7,034 households earn less than $125,107 a year (±$7,380), against $106,268 in San Diego County and $99,122 in California. In 2015-2019 it was $123,189 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.8% of residents live below the poverty line.
| Measure | Casa de Oro-Mount Helix | San Diego County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $125,107 ±$7,380 | $106,268 | no clear change |
| Mean household income | $171,012 ±$12,779 | $141,250 | – |
| Per capita income | $61,838 ±$4,991 | $51,976 | no clear change |
| People below the poverty line | 4.8% ±1.6 pts | 10.3% | −4.1 pts |
| Children under 18 below the poverty line | 3.5% ±3.2 pts | 11.8% | – |
| Households receiving SNAP | 9.4% ±3.0 pts | 9.9% | – |
| Households with a computer | 98.9% ±0.8 pts | 97.6% | – |
| Households with a broadband subscription | 96.4% ±1.5 pts | 94.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Casa de Oro-Mount Helix?
Owners occupy 78.5% of Casa de Oro-Mount Helix's occupied homes and renters 21.5%. The median owner-occupied home is valued at $952,400 by its owner (±$30,024). The median renter pays $1,973 a month including utilities, and 45.4% of renters pay 35% or more of their income on rent.
| Measure | Casa de Oro-Mount Helix | San Diego County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $952,400 ±$30,024 | $854,700 | +$138,296 |
| Median gross rent | $1,973 ±$228 | $2,246 | no clear change |
| Renters paying 35% or more of income on rent | 45.4% ±8.9 pts | 47.7% | no clear change |
| Median monthly owner costs, with a mortgage | $3,488 ±$191 | $3,184 | – |
| Owner-occupied homes | 78.5% ±3.1 pts | 54.6% | no clear change |
| Renter-occupied homes | 21.5% ±3.1 pts | 45.4% | – |
| Housing units | 7,389 ±407 | 1,250,641 | no clear change |
| Homeowner vacancy rate | 0.0% ±0.8 pts | 0.7% | – |
| Rental vacancy rate | 11.9% ±10.1 pts | 3.9% | – |
| Single-family detached homes | 82.2% ±2.6 pts | 50.0% | – |
| Mobile homes | 0.0% ±0.6 pts | 3.3% | – |
| Built 2020 or later | 0.6% ±0.7 pts | 1.4% | – |
| Built 2010 to 2019 | 0.4% ±0.4 pts | 6.9% | – |
| Built 1939 or earlier | 3.8% ±2.0 pts | 4.0% | – |
| Households with no vehicle | 3.2% ±1.8 pts | 5.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Casa de Oro-Mount Helix work and get to work?
72.4% of Casa de Oro-Mount Helix's workers drive alone and 18.7% work from home. The average trip to work takes 26.0 minutes. The unemployment rate in 2020-2024 averaged 4.9%.
| Measure | Casa de Oro-Mount Helix | San Diego County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 58.7% ±3.2 pts | 66.2% | – |
| Unemployment rate | 4.9% ±1.7 pts | 6.1% | no clear change |
| Drove alone to work | 72.4% ±3.4 pts | 65.9% | – |
| Carpooled | 6.4% ±2.8 pts | 8.1% | – |
| Public transportation | 0.5% ±0.6 pts | 1.9% | – |
| Walked | 1.1% ±0.9 pts | 3.2% | – |
| Worked from home | 18.7% ±2.9 pts | 18.7% | +8.8 pts |
| Mean travel time to work | 26.0 min ±1.4 | 25.5 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Casa de Oro-Mount Helix?
5 census tracts lie mostly in Casa de Oro-Mount Helix, and 6 more reach into it (2020 census blocks). Their median household incomes run from $122,238 (Tract 136.01) to $160,625 (Tract 154.03).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 136.01San Diego County | 5,214 | $122,238 |
| Tract 136.05San Diego County | 6,383 | $132,554 |
| Tract 137.01San Diego County | 2,541 | $123,750 |
| Tract 152San Diego County | 3,730 | $160,313 |
| Tract 153.02San Diego County | 4,518 | $112,656 |
| Tract 154.08San Diego County | 4,482 | $143,125 |
| Tract 154.03San Diego County | 2,580 | $160,625 |
| Tract 154.07San Diego County | 3,640 | $49,544 |
| Tract 135.03San Diego County | 6,247 | $104,500 |
| Tract 136.07San Diego County | 2,151 | $79,847 |
| Tract 138.01San Diego County | 5,381 | $86,477 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Casa de Oro-Mount Helix) · Census block assignment files
How does Casa de Oro-Mount Helix compare with other places in California?
Casa de Oro-Mount Helix ranks 257th of 1,037 places in California with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 349th | 1,076 |
| Residents per square mile | 482nd | 1,077 |
| Median household income | 257th | 1,037 |
| Per capita income | 257th | 1,073 |
| Median home value | 245th | 1,054 |
| Median gross rent | 420th | 987 |
| Poverty rate | 774th | 836 |
| Bachelor's degree or higher | 270th | 988 |
| Median age | 368th | 1,075 |
| Owner-occupied share | 273rd | 1,064 |
| Work from home | 326th | 822 |
| Travel time to work | 659th | 1,069 |
Casa de Oro-Mount Helix's figures with every place in California (CSV)
Every place in California, sortable · Compare Casa de Oro-Mount Helix with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Casa de Oro-Mount Helix?
12 of the 57 figures for Casa de Oro-Mount Helix on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Casa de Oro-Mount Helix are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.