Postal Codes

91803 ZIP Code

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ZIP code 91803 covers Alhambra, California, with a population of about 27,803 and a median household income of $84,537.

Population
27,8038,529 per square mile
Median age
42.23.5 points above the US average
Median household income
$84,53712% below the California median
Poverty rate
13.7%1.3 points above the US average
Typical home value
$949,638up 20% in five years
Median rent
$1,7908% below the California median
Degree or higher
36.6%1.6 points above the US average
Homeownership
50.9%14.1 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
864

Where 91803 is

Alhambra, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population27,803
Median age42.2
Family households69.4%
Born outside the US46.8%
Speaks a language other than English at home70.8%
White (non-Hispanic)6.6%
Black (non-Hispanic)1.6%
Asian (non-Hispanic)50.1%
Hispanic or Latino39.3%
Veterans2.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$84,537
Income per person$40,323
Poverty rate13.7%
Households on SNAP or cash assistance12.6%

Household income distribution

Under $10k5.6%
$10–15k4.2%
$15–20k3.4%
$20–25k4.4%
$25–30k2.6%
$30–35k1.9%
$35–40k3.7%
$40–45k1.5%
$45–50k3.3%
$50–60k4.3%
$60–75k9.7%
$75–100k11.6%
$100–125k10.9%
$125–150k8.6%
$150–200k10.4%
$200k or more14.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed14,790
Mean adjusted gross income$69,078
Returns declaring $200,000 or more5.5%
Returns, under $25k29.3%
Returns, $25k–$50k24.3%
Returns, $50k–$75k16.2%
Returns, $75k–$100k9.3%
Returns, $100k–$200k15.4%
Returns, $200k or more5.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$831,800
Median gross rent$1,790
Rent as a share of household income35.2%
Owner-occupied50.9%
Vacant homes5.3%
Median year built1953

What the homes are

Detached house63.1%
Attached house7.4%
2 to 4 units10.4%
5 to 19 units11.8%
20 or more units6.8%
Mobile home0.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$949,638as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 20%
Typical home value, 10 yearsup 77.5%
Typical asking rent$2,297as of 2026-07
Typical asking rent, 1 yeardown 3%
Typical asking rent, 5 yearsup 26%
Typical home value since 2000
200020132026$949,638$215,653

$215,653 in 2000 to $949,638 in 2026.

Typical asking rent
202120232026$2,367$1,823

$1,823 in 2021 to $2,297 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.8%
Bachelor's degree or higher36.6%
High school diploma or higher80.4%
Works from home12%
Drives to work alone70.9%
Takes public transport3.4%
Commutes 45 minutes or more24.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity21% 12.4 pts below the national average of 33.4%
Diagnosed diabetes14.3% 2.3 pts above the national average of 12%
Currently smokes10.2% 3 pts below the national average of 13.2%
High blood pressure30.4% 3.7 pts below the national average of 34.1%
Fair or poor general health23.5% 3.2 pts above the national average of 20.3%
No health insurance (18–64)10.4% 0.9 pts below the national average of 11.3%
Depression15.2% 6.7 pts below the national average of 21.9%
No leisure-time physical activity28.4% 3 pts above the national average of 25.4%
Arthritis18.4% 6.7 pts below the national average of 25.1%
Binge drinking11.8% 4.2 pts below the national average of 16%
Taking blood pressure medication74.3% same as the national average of 74.7%
Cancer (non-skin)4.8% 2.9 pts below the national average of 7.7%
Current asthma7.6% 2.8 pts below the national average of 10.4%
Coronary heart disease5.3% 0.9 pts below the national average of 6.2%
Routine check-up in past year73.2% 3.5 pts below the national average of 76.7%
Cholesterol screening85.5% same as the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening50.9% 13.4 pts below the national average of 64.3%
COPD4.3% 2.3 pts below the national average of 6.6%
Visited a dentist57.5% 3.8 pts below the national average of 61.3%
Any disability29.6% 1.1 pts below the national average of 30.7%
Lacks emotional support34.2% 9.4 pts above the national average of 24.8%
Food insecurity20.6% 3.5 pts above the national average of 17.1%
Received food stamps16.1% 1.8 pts above the national average of 14.3%
Hearing disability5.7% 1 pts below the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity14.8% 1 pts above the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport9.2% same as the national average of 9.2%
Loneliness41.1% 6.7 pts above the national average of 34.4%
Mammography use73.8% 2.1 pts below the national average of 75.9%
Poor mental health (14+ days)13.9% 2.9 pts below the national average of 16.8%
Mobility disability14.2% same as the national average of 14%
Poor physical health (14+ days)13.1% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours36.5% same as the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost10.6% 2.4 pts below the national average of 13%
Vision disability6.3% 0.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments864
People employed7,114
Annual payroll$376,608,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 72.1% of US census tracts
FEMA ratingRelatively Low to Very High across the 14 census tracts this ZIP code covers
Expected annual loss68.9 out of 100
Community resilience12.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake94.1Very High at its worst in this ZIP code
River flooding45.1Relatively High at its worst in this ZIP code
Landslide43.2Relatively Low at its worst in this ZIP code
Heat wave30.1Relatively Low at its worst in this ZIP code
Tornado18.6Very Low at its worst in this ZIP code
Hail16.8Very Low at its worst in this ZIP code
Winter weather12.1Very Low at its worst in this ZIP code
Lightning7Very Low at its worst in this ZIP code
Strong wind5.6Very Low at its worst in this ZIP code
Wildfire0.1Relatively Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$84,537$96,334$78,538
Income per person$40,323$47,977$43,289
Poverty rate13.7%12%12.4%
Median home value$831,800$695,400$303,400
Median gross rent$1,790$1,956$1,348
Homeownership50.9%55.8%65%
Bachelor's degree or higher36.6%36.5%35%
Unemployment rate4.8%6.4%5.2%
Works from home12%15.5%13.5%
Born outside the US46.8%26.7%13.9%
Median age42.237.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAN GABRIEL FIRE DEPT, CA US4.1 km away
Rain in a year16 in

Average high and low by month

January68.6°F / 46.1°F3.56 in rain
February68.2°F / 47.1°F4.22 in rain
March70.9°F / 50.5°F2.53 in rain
April73.8°F / 52.7°F0.61 in rain
May75.6°F / 57.6°F0.48 in rain
June80.8°F / 61.5°F0.13 in rain
July85.5°F / 65.2°F0.04 in rain
August87.6°F / 65.5°F0 in rain
September86.7°F / 63.6°F0.13 in rain
October80.7°F / 57.4°F0.61 in rain
November74°F / 50.6°F0.92 in rain
December67.8°F / 45.3°F2.44 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket33% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Alhambra Unified School District99.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability68more vulnerable than 68% of US census tracts
Socioeconomic status62more vulnerable than 62% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status92more vulnerable than 92% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability14.9 out of 20Above average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

91801 Alhambra, CA2.3 km away
91756 Monterey Park, CA2.3 km away
91802 Alhambra, CA2.8 km away
91804 Alhambra, CA2.8 km away
91896 Alhambra, CA2.8 km away
91899 Alhambra, CA2.8 km away
91754 Monterey Park, CA2.8 km away
90032 Los Angeles, CA3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Los Angeles County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area3.26 sq mi
Population density8,529 people per sq mi
Latitude, longitude34.0745, -118.1434

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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