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California ZIP Codes
San Bernardino County
Mt Baldy, CA
91759
91759 ZIP Code — Mt Baldy, CA
San Bernardino County, California
ZIP code 91759 is located in
Mt Baldy ,
California ,
within San Bernardino County .
It covers approximately 82.53 square miles and serves a population of
299 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 760 .
About ZIP code 91759
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $350,000. Owner-occupancy is high at 84%, well above the national average.
Median household income is $111,071. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with public administration as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is high — 56% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.
Overall, ZIP code 91759 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, and a significant Social Security-dependent population.
91759 ZIP code map
View map of 91759
Cities in ZIP code 91759
Below are the cities the US Postal Service accepts for ZIP code 91759. Using any city not on this list may result in mail delivery delays.
Demographics
updated 06/2026
Population
Total population
299
Population density
4 / sq mi
State FIPS
06
County FIPS
071
Geography
Land area
82.53 sq mi
Water area
0.00 sq mi
Latitude
34.2487
Longitude
-117.5524
Timezone
Pacific (PT)
Area code
760
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.0%
37.7%
32.6%
$50k – $100k
21.7%
32.0%
27.7%
$100k – $200k
41.1%
23.9%
26.4%
Over $200k
5.1%
6.3%
13.3%
Demographics & statistics
$111,071
Median household income
$350,000
Median home value
$1,359
Median monthly rent
56.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 36 12.0% 18 and over 263 88.0% 65 and over 106 35.5% Median age 54.6 years
Race & ethnicity
Black or African American
3%
American Indian / Alaska Native
1.2%
Group Count % White 239 72.9% Two or more races 46 14% Hispanic or Latino 29 8.8% Black or African American 10 3% American Indian / Alaska Native 4 1.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.0%
37.7%
32.6%
$50k – $100k
21.7%
32.0%
27.7%
$100k – $200k
41.1%
23.9%
26.4%
Over $200k
5.1%
6.3%
13.3%
Range % of households $10k–$15k 3.3% $35k–$50k 18.0% $50k–$75k 6.0% $75k–$100k 8.0% $100k–$150k 54.7% $150k–$200k 5.3% $200k+ 4.7% Median income $111,071
Housing
Housing overview
Metric Value Median home value $350,000 Median rent / month $1,359 Owner occupied 84.0% Renter occupied 16.0% Vacant 59.2% Single-family detached 100.0% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 5.1 Avg household size (owned) 2.06
Year built
Era % 2020 or later 0.0% 2010–2019 12.8% 2000–2009 6.8% 1990–1999 2.2% 1980–1989 3.0% 1970–1979 3.3% 1960–1969 9.5% 1950–1959 11.1% 1940–1949 8.4% 1939 or earlier 42.9%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 19.6% 2 bedrooms 27.2% 3 bedrooms 47.3% 4 bedrooms 5.2% 5+ bedrooms 0.8%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 27.3% 2 vehicles 34.7% 3 or more 38.0%
Heating fuel
Fuel type % Utility gas 2.7% Electricity 5.3% Propane / LP gas 31.3% Fuel oil 6.0% Wood 28.7%
Households & families
Household type Count % Married-couple family 96 64.0% Cohabiting couple 0 0.0% Male householder, no spouse 16 10.7% Female householder, no spouse 38 25.3% Households with children under 18 18 12.0% Households with seniors (65+) 67 44.7% Average household size 1.99
Marital status
Status Male Female Never married 20.5% 12.2% Married 72.0% 66.9% Separated 0.0% 2.2% Widowed 2.3% 2.9% Divorced 5.3% 15.8%
Education
Some college, no degree
24.3%
Graduate / professional
31.1%
Metric % HS diploma or higher 98.4% Bachelor's or higher 56.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 4 12.1% Kindergarten 0 0.0% Elementary school 17 51.5% High school 8 24.2% College / grad school 4 12.1%
Employment
Industry of employment
Public administration
26.9%
Education & healthcare
24.4%
Arts, food & hospitality
13.8%
Professional & management
10.0%
Transportation & utilities
2.5%
Occupation
Category % Management, business & arts 60.0% Service 21.3% Sales & office 8.8% Natural resources & construction 10.0% Production & transportation 0.0%
Employment type
Type % Private sector 43.1% Government 37.5% Self-employed 19.4% Unpaid family workers 0.0%
Commute
Method % Drive alone 75.2% Carpool 0.0% Public transit 0.0% Walk 0.0% Work from home 12.4% Other means 12.4% Avg commute (minutes) 32.8
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 47.3% Retirement income 42.7% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 2.7%
Health indicators
Condition % Obesity 35.5% High blood pressure 33.2% High cholesterol 35.6% Diabetes 10.3% Heart disease 7.0% Stroke 3.3% Asthma 10.1% Arthritis 25.8% Kidney disease 3.1% Pulmonary disease 7.8% Cancer 7.3%
Behavior / access % Smoking 14.4% Binge drinking 18.8% No physical activity 19.9% Less than 7 hrs sleep 34.2% Depression 18.8% Fair or poor health 15.0% Poor mental health 14.6% Poor physical health 11.4% No health insurance 9.2% Visited doctor (checkup) 67.0% Visited dentist 66.1% Cholesterol screening 92.3% Teeth loss 12.5%
Veterans & disability
Veterans Count % Civilian veterans 33 12.5%
Disability % Any disability 4.3% Under 18 0.0% 18–64 years 5.7% 65 and over 3.8%
Health insurance coverage
Type % Private insurance 79.9% Public insurance 42.1% No insurance 0.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 292 97.7% Spanish 4 1.4% Other Indo-European 4 1.4% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 292 97.7% Born in same state 288 96.3% Born in different state 231 77.3% Foreign born 4 1.3% Naturalized citizen 7 2.3% Not a US citizen 7 100.0%
Ancestry
Ancestry Count % French 50 16.7% Italian 36 12% Arab 31 10.4% English 7 2.3%
Ancestry Count % German 4 1.3% Irish 4 1.3% Polish 4 1.3%
Technology access
Metric % of households Computer access 50.2% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91759
What city is ZIP code 91759 in?
ZIP code 91759 is primarily assigned to Mt Baldy, California.
What county is ZIP code 91759 in?
ZIP code 91759 falls within Los Angeles County, California.
Does ZIP code 91759 have an older population?
36% of residents in ZIP code 91759 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 91759?
56% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 91759 have a large retiree population?
47% of households in ZIP code 91759 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 91759 mostly owner-occupied?
84% of occupied units in ZIP code 91759 are owner-occupied, well above the national average.
What timezone is ZIP code 91759 in?
ZIP code 91759 observes the PST timezone.
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