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California ZIP Codes
Los Angeles County
Alhambra, CA
91803
91803 ZIP Code — Alhambra, CA
Los Angeles County, California
ZIP code 91803 is located in
Alhambra ,
California ,
within Los Angeles County .
It covers approximately 3.26 square miles and serves a population of
29,006 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 626 .
About ZIP code 91803
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $772,000. Owner-occupancy sits near the national average at 49%.
Median household income is $76,694. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.
Notable community characteristics include Spanish spoken in 35% of households.
91803 ZIP code map
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Cities in ZIP code 91803
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
29,006
Population density
8,898 / sq mi
State FIPS
06
County FIPS
037
Geography
Land area
3.26 sq mi
Water area
0.00 sq mi
Latitude
34.0756
Longitude
-118.1440
Timezone
Pacific (PT)
Area code
626
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.9%
36.2%
32.6%
$50k – $100k
26.2%
28.2%
27.7%
$100k – $200k
27.4%
24.5%
26.4%
Over $200k
6.5%
11.0%
13.3%
Demographics & statistics
$76,694
Median household income
$772,000
Median home value
$1,735
Median monthly rent
35.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 5,619 19.4%
18 and over 23,387 80.6%
65 and over 5,335 18.4%
Median age 41.2 years
Race & ethnicity
Black or African American
1.5%
American Indian / Alaska Native
0.3%
Native Hawaiian / Pacific Islander
0.3%
Group Count %
Asian 14,206 38.1%
Hispanic or Latino 8,272 22.2%
Other race 5,624 15.1%
White 5,155 13.8%
Two or more races 3,219 8.6%
Black or African American 577 1.5%
American Indian / Alaska Native 128 0.3%
Native Hawaiian / Pacific Islander 97 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.9%
36.2%
32.6%
$50k – $100k
26.2%
28.2%
27.7%
$100k – $200k
27.4%
24.5%
26.4%
Over $200k
6.5%
11.0%
13.3%
Range % of households
Under $10k 5.0%
$10k–$15k 4.4%
$15k–$25k 9.5%
$25k–$35k 7.2%
$35k–$50k 8.4%
$50k–$75k 14.6%
$75k–$100k 11.7%
$100k–$150k 18.5%
$150k–$200k 10.0%
$200k+ 10.8%
Median income $76,694
Housing
Housing overview
Metric Value
Median home value $772,000
Median rent / month $1,735
Owner occupied 48.8%
Renter occupied 51.2%
Vacant 4.0%
Single-family detached 63.0%
Large apartment buildings 7.9%
Mobile homes 0.7%
Median rooms 4.4
Avg household size (owned) 2.92
Year built
Era %
2020 or later 0.1%
2010–2019 1.9%
2000–2009 0.8%
1990–1999 4.6%
1980–1989 10.4%
1970–1979 10.6%
1960–1969 7.8%
1950–1959 19.7%
1940–1949 14.8%
1939 or earlier 29.4%
Bedrooms
Size % of units
No bedroom (studio) 3.6%
1 bedroom 13.4%
2 bedrooms 39.4%
3 bedrooms 34.2%
4 bedrooms 8.5%
5+ bedrooms 1.0%
Vehicles per household
Vehicles % of households
No vehicle 4.9%
1 vehicle 34.8%
2 vehicles 37.4%
3 or more 22.9%
Heating fuel
Fuel type %
Utility gas 62.6%
Electricity 33.1%
Propane / LP gas 1.1%
Solar 0.1%
No fuel used 2.9%
Households & families
Household type Count %
Married-couple family 4,768 47.2%
Cohabiting couple 744 7.4%
Male householder, no spouse 1,873 18.5%
Female householder, no spouse 2,715 26.9%
Households with children under 18 3,122 30.9%
Households with seniors (65+) 3,812 37.7%
Average household size 2.86
Marital status
Status Male Female
Never married 41.6% 34.9%
Married 48.3% 44.5%
Separated 1.5% 1.7%
Widowed 1.3% 10.5%
Divorced 7.3% 8.4%
Education
Less than 9th grade
11.3%
Some college, no degree
16.8%
Graduate / professional
10.7%
Metric %
HS diploma or higher 79.9%
Bachelor's or higher 35.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 320 4.7%
Kindergarten 397 5.8%
Elementary school 2,299 33.6%
High school 1,549 22.6%
College / grad school 2,287 33.4%
Employment
Industry of employment
Education & healthcare
26.4%
Professional & management
12.1%
Arts, food & hospitality
10.8%
Public administration
8.0%
Transportation & utilities
6.1%
Finance & real estate
5.3%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 42.2%
Service 19.4%
Sales & office 22.4%
Natural resources & construction 4.3%
Production & transportation 11.6%
Employment type
Type %
Private sector 73.6%
Government 20.3%
Self-employed 5.7%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 71.9%
Carpool 10.6%
Public transit 3.1%
Walk 1.9%
Work from home 10.4%
Other means 2.1%
Avg commute (minutes) 29.2
Poverty
Married-couple families
10.2%
Female-led households
15.0%
Income support
Source % of households
Social Security 31.3%
Retirement income 16.2%
Supplemental Security 7.4%
Cash public assistance 4.0%
Food stamps / SNAP 7.9%
Health indicators
Condition %
Obesity 22.4%
High blood pressure 27.5%
High cholesterol 30.2%
Diabetes 11.5%
Heart disease 5.2%
Stroke 2.7%
Asthma 7.3%
Arthritis 16.6%
Kidney disease 2.7%
Pulmonary disease 4.5%
Cancer 4.6%
Behavior / access %
Smoking 9.6%
Binge drinking 12.8%
No physical activity 24.0%
Less than 7 hrs sleep 33.2%
Depression 12.5%
Fair or poor health 15.3%
Poor mental health 12.7%
Poor physical health 9.1%
No health insurance 15.3%
Visited doctor (checkup) 64.7%
Visited dentist 58.3%
Cholesterol screening 90.9%
Teeth loss 9.8%
Veterans & disability
Veterans Count %
Civilian veterans 579 2.5%
Disability %
Any disability 10.0%
Under 18 1.4%
18–64 years 5.0%
65 and over 36.2%
Health insurance coverage
Type %
Private insurance 60.2%
Public insurance 41.7%
No insurance 5.3%
Uninsured under 19 3.2%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 27,585 95.1%
Spanish 9,583 34.7%
Other Indo-European 2,270 8.2%
Asian & Pacific Islander 54 0.2%
Other languages 7,259 26.3%
Place of birth & citizenship
Origin Count %
Native born (US) 15,432 53.2%
Born in same state 15,168 52.3%
Born in different state 13,181 45.4%
Foreign born 264 0.9%
Naturalized citizen 13,574 46.8%
Not a US citizen 9,154 67.4%
Ancestry
Ancestry Count %
Arab 1,352 4.7%
French 509 1.8%
Italian 316 1.1%
Ancestry Count %
Polish 70 0.2%
English 64 0.2%
Irish 18 0.1%
Technology access
Metric % of households
Computer access 34.8%
Internet access 95.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91803
What city is ZIP code 91803 in?
ZIP code 91803 is primarily assigned to Alhambra, California.
What county is ZIP code 91803 in?
ZIP code 91803 falls within Los Angeles County, California.
Is Spanish widely spoken in ZIP code 91803?
Approximately 35% of households in ZIP code 91803 speak Spanish as a primary language.
What is the poverty rate in ZIP code 91803?
16% of residents in ZIP code 91803 live below the poverty line, above the national average.
What is the typical home value in ZIP code 91803?
The median home value in ZIP code 91803 is $772,000.
What is the population of ZIP code 91803?
ZIP code 91803 has an estimated population of 29,006 residents, with a density of 8,898 people per square mile.
What timezone is ZIP code 91803 in?
ZIP code 91803 observes the PST timezone.
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