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Living in
Casa de Oro-Mount Helix.
Casa de Oro-Mount Helix is an unincorporated community in San Diego County, CA. It has no city government: the county runs it, and the Census counts it as its own place.
About
Life in Casa de Oro-Mount Helix
Life in Casa de Oro-Mount Helix is solidly middle-to-upper-middle-class suburban living in East County San Diego, where you're getting a stable, family-oriented community without the intensity of the urban core. The median household income sits at $125,107, and with a median home value around $952,400, you're paying San Diego County prices but getting more space and a quieter setting than closer-in neighborhoods—though you'll absolutely need to factor in that this is still Southern California real estate. The community skews toward established families and older residents—the median age is 45, with nearly 28% of people aged 45 to 64—so you'll find strong schools (served by Grossmont Union High School District and La Mesa-Spring Valley School District), married-couple households as the norm, and the kind of neighborhood stability where people actually stay put rather than constantly turning over.
Casa de Oro-Mount Helix at a Glance
Population, income, housing and more
Median Age
43.4 yrs
Poverty Rate
4.8%
Foreign-Born
10.2%
Broadband Internet
96.4%
of households
Population Growth
-0.8%
recent change · Census Bureau
Median household income
Demographics10.2% foreign-born, most often from Mexico
Who lives in Casa de Oro-Mount Helix: race and ethnicity, ages, households, languages and countries of origin
In Casa de Oro-Mount Helix, the largest foreign-born group is from Mexico (36.3%), and 14.0% of residents speak Spanish at home.
Under 18
22.2%
of residents
65 and Older
21.4%
of residents
Households with Kids
33.8%
anyone under 18
Living Alone
17.7%
of households
Married Couples
57.2%
of households
Avg Household Size
2.78
people
Race & Ethnicity
Hispanic or Latino of any race; other groups are non-Hispanic
Top countries of origin (foreign-born)
Languages Spoken at Home
Cost of Livingrent about average for CA
Rent, home values, and income in Casa de Oro-Mount Helix
In Casa de Oro-Mount Helix, home values are 30% above the CA average.
Median rent (per month)
Median home value
Rent Burdened
45.1%
spending 30%+ of income on rent
Severely Rent Burdened
31.0%
spending 50%+
Cost of Living Index
111.9
metro area (BEA) · US avg = 100
Median Property Tax
$6,104
per year, owner-occupied homes
Homeowners
78.5%
of occupied homes are owned
Typical Home Built
1969
median year built
Jobs & Economyunemployment 0.9 pts below CA average
Unemployment in Casa de Oro-Mount Helix and typical pay across the metro area
Unemployment in San Diego County, which includes Casa de Oro-Mount Helix, is 0.9 percentage points lower than the CA average.
Unemployment rate
Casa de Oro-Mount Helix: San Diego County rate (county-wide) · BLS annual average
Unemployment Rate — 10 Year Trend
San Diego County (county-wide) · Annual averages
Casa de Oro-Mount Helix is less than 1% of San Diego County’s population, so county-wide figures may differ from local conditions.
What Casa de Oro-Mount Helix Residents Do for Work · share of employed residents by industry
City residents, wherever they work
Median Salary by Occupation · metro area
San Diego-Carlsbad, CA metro area
Commute26 min avg
How Casa de Oro-Mount Helix residents get to work, and the nearest airports
In Casa de Oro-Mount Helix, most residents drive alone to work (72%), and 60% get there in under 30 minutes.
How People Get to Work
Commute Time Distribution
Nearest airports · with airline service
- 13 mi
San Diego International Airport (SAN)
Major hub12.7M passengers boarded in 2025
Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.
Safetyviolent crime 49% below national average
Crime rates for 2025
Violent crime in the area policed by the San Diego County Sheriff's Office, which covers Casa de Oro-Mount Helix, runs 49% below the national average.
Violent Crime Rate
166.9
per 100,000 residents
Below average (329 national, 2025)
Property Crime Rate
315.2
per 100,000 residents
Below average (1,552 national, 2025)
Policed by San Diego County Sheriff's Office (county-wide rate)
Natural DisastersHigh Wind most common — 25 events in 2025
Natural hazard risk, storms and earthquakes
FEMA National Risk Index
Very High
99.7 / 100
Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).
San Diego County, county-wide · FEMA NRI December 2025
In San Diego County, which includes Casa de Oro-Mount Helix, the most common type is high wind, with 25 recorded events in 2025.
Most common events:
Storm events by year
| Year | Events | Top Type | Property Damage |
|---|---|---|---|
| 2025 | 25 | Heavy Rain | $110,000 |
| 2024 | 56 | High Wind | $30.9M |
| 2023 | 67 | High Wind | $13,000 |
| 2022 | 92 | High Wind | $11,000 |
| 2021 | 93 | High Wind | $4.2M |
| 2020 | 56 | High Wind | $4.5M |
| 2019 | 69 | High Wind | $1.0M |
| 2018 | 42 | High Wind | $680,100 |
Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.
214 earthquakes of magnitude 2.5+ within 100 miles in the past year
San Diego County, county-wide
Casa de Oro-Mount Helix is less than 1% of San Diego County’s population, so county-wide figures may differ from local conditions.
Air Quality67 median AQI — Moderate
Days by air quality category (2025)
Air quality in San Diego County, which includes Casa de Oro-Mount Helix, is typically moderate — acceptable for most people, but can affect those unusually sensitive to air pollution.
Median AQI
67
Good Days
64
per year
Moderate Days
268
per year
Unhealthy Days
7
per year
San Diego County, county-wide
Casa de Oro-Mount Helix is less than 1% of San Diego County’s population, so county-wide figures may differ from local conditions.
Climate85°F summers, 43°F winters
30-year climate averages (1991–2020) — monthly temperatures and precipitation
Casa de Oro-Mount Helix has warm summers (avg high 85°F) and mild winters (avg low 43°F).
Spring (Mar–May)
74°/52°F
avg high / low
Summer (Jun–Aug)
85°/62°F
avg high / low
Fall (Sep–Nov)
81°/55°F
avg high / low
Winter (Dec–Feb)
69°/43°F
avg high / low
Annual Precipitation
13.4"
Annual Snowfall
0.0"
Hot Days/Year
57
days above 90°F
Freeze Days/Year
3
days below 32°F
Rainy Days/Year
49
Average month
Show month-by-month table ↓Hide table ↑
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 69°F | 43°F | 2.32" |
| Feb | 69°F | 44°F | 2.61" |
| Mar | 71°F | 48°F | 1.92" |
| Apr | 75°F | 51°F | 0.75" |
| May | 76°F | 56°F | 0.30" |
| Jun | 81°F | 59°F | 0.06" |
| Jul | 86°F | 63°F | 0.16" |
| Aug | 89°F | 65°F | 0.02" |
| Sep | 87°F | 62°F | 0.11" |
| Oct | 81°F | 56°F | 0.54" |
| Nov | 75°F | 47°F | 1.01" |
| Dec | 69°F | 42°F | 1.83" |
Healthcare
Hospitals, ratings, and health insurance in Casa de Oro-Mount Helix
Uninsured
2.4%
of residents
No hospitals inside Casa de Oro-Mount Helix's limits — nearest hospitals · within 15 miles
Grossmont Hospital
Acute Care Hospitals · ER available · 2.5 mi away · La Mesa
Alvarado Parkway Institute Behavioral Health Syste
Psychiatric · 4.4 mi away · La Mesa
Kaiser Foundation Hospital - San Diego
Acute Care Hospitals · ER available · 7.6 mi away · San Diego
Adult Health · vs. the typical US place
Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.
Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.
Education21.9:1 student/teacher ratio
Schools and degree attainment in Casa de Oro-Mount Helix
Casa de Oro-Mount Helix's student/teacher ratio is 21.9:1 (higher than the national average of 16:1), and 46.5% of adults 25+ hold a bachelor's degree or higher.
Public Schools
5
within city limits
Private Schools
1
within city limits
College Degree Rate
46.5%
adults 25+ with bachelor's or higher
Student/Teacher Ratio
21.9:1
National avg 16:1
Schools located within city limits (2023) — school-level metrics change slowly year to year
Colleges Near Casa de Oro-Mount Helix (within 15 miles)
Public · 4-year · 35,377 students · in-state tuition $9,180 · 83% graduate · median earnings $73,494 (10 yrs after entry)
Public · 2-year · 18,614 students · in-state tuition $1,356 · 31% graduate · median earnings $47,535 (10 yrs after entry)
Public · 2-year · 16,098 students · in-state tuition $1,154 · 23% graduate · median earnings $50,947 (10 yrs after entry)
Public · 2-year · 12,163 students · in-state tuition $1,332 · 28% graduate · median earnings $45,404 (10 yrs after entry)
Public · 2-year · 11,271 students · in-state tuition $1,154 · 22% graduate · median earnings $53,737 (10 yrs after entry)
Private nonprofit · 4-year · 10,794 students · in-state tuition $13,284 · 46% graduate · median earnings $73,988 (10 yrs after entry)
Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)
Parks & Recreationclosest: Cabrillo National Monument, 17 mi
Nearby national parks, recreation areas and public libraries for Casa de Oro-Mount Helix
Casa de Oro-Mount Helix has 2 nearby national parks or recreation areas, closest being Cabrillo National Monument (17 mi away).
Nearby National Parks & Recreation Areas
Cabrillo National Monument
National Monument
17 mi awayJuan Bautista de Anza National Historic Trail
National Historic Trail
78 mi awayPublic Libraries in Casa de Oro-Mount Helix
Casa De Oro Library
9805 Campo Rd. #180, Spring Valley
Cities Near Casa de Oro-Mount Helix
The closest cities within 60 miles
Planning a move to Casa de Oro-Mount Helix?
Read our full moving guide — what it's really like to live here.
Casa de Oro-Mount Helix FAQ
Is Casa de Oro-Mount Helix, California affordable?⌄
Casa de Oro-Mount Helix's median rent is $1,973/month, which is significantly above the national average. The median household income is $125,107/year. Median home value is $952,400.
Is Casa de Oro-Mount Helix, California safe?⌄
Casa de Oro-Mount Helix is policed by the San Diego County Sheriff's Office, whose violent crime rate across its service area was 167 per 100,000 residents in 2025, which is well below the national average — one of the safer cities in the country of 329/100k that year. Property crime rate is 315 per 100,000. As with any city, crime rates vary by neighborhood.
What is the job market like in Casa de Oro-Mount Helix, California?⌄
San Diego County, which includes Casa de Oro-Mount Helix, has an unemployment rate of 4.6%, which is close to the national average of 4.3%.
What is the cost of living in Casa de Oro-Mount Helix, California?⌄
The cost of living in Casa de Oro-Mount Helix is primarily driven by housing. Median rent is $1,973/month and median household income is $125,107/year. The median home value is $952,400. About 45% of renters spend more than 30% of their income on housing.
How is the commute in Casa de Oro-Mount Helix, California?⌄
The average commute in Casa de Oro-Mount Helix is 26 minutes, which is about average compared to the national average of 26 minutes.
Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from