Postal Codes

91790 ZIP Code

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ZIP code 91790 covers West Covina, California, with a population of about 44,791 and a median household income of $100,142.

Population
44,7917,782 per square mile
Median age
37.61.1 points below the US average
Median household income
$100,142about the California median
Poverty rate
9.1%3.3 points below the US average
Typical home value
$840,587up 23.8% in five years
Median rent
$2,2531.2× the California median
Degree or higher
23.4%11.6 points below the US average
Homeownership
61%4 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,102

Where 91790 is

West Covina, 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

Population44,791
Median age37.6
Family households80.9%
Born outside the US33.3%
Speaks a language other than English at home59.6%
White (non-Hispanic)10.9%
Black (non-Hispanic)2.9%
Asian (non-Hispanic)22.8%
Hispanic or Latino61.3%
Veterans4.1%
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$100,142
Income per person$36,557
Poverty rate9.1%
Households on SNAP or cash assistance14.4%

Household income distribution

Under $10k3.2%
$10–15k2.3%
$15–20k1.6%
$20–25k2.1%
$25–30k2.0%
$30–35k2.0%
$35–40k2.0%
$40–45k2.9%
$45–50k2.9%
$50–60k5.6%
$60–75k8.6%
$75–100k14.7%
$100–125k11.3%
$125–150k10.8%
$150–200k10.7%
$200k or more17.3%

Income as declared to the IRS

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

Tax returns filed21,810
Mean adjusted gross income$65,111
Returns declaring $200,000 or more3.4%
Returns, under $25k27.1%
Returns, $25k–$50k26.3%
Returns, $50k–$75k16.7%
Returns, $75k–$100k10.2%
Returns, $100k–$200k16.3%
Returns, $200k or more3.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$695,700
Median gross rent$2,253
Rent as a share of household income34.1%
Owner-occupied61%
Vacant homes4.6%
Median year built1958

What the homes are

Detached house72.6%
Attached house3.6%
2 to 4 units2.8%
5 to 19 units4.1%
20 or more units16.5%
Mobile home0.4%
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$840,587as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 23.8%
Typical home value, 10 yearsup 86.1%
Typical asking rent$2,735as of 2026-07
Typical asking rent, 1 yearup 2.3%
Typical asking rent, 5 yearsup 23%
Typical home value since 2000
200020132026$840,587$192,215

$192,215 in 2000 to $840,587 in 2026.

Typical asking rent
202020232026$2,735$1,974

$1,974 in 2020 to $2,735 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.3%
Bachelor's degree or higher23.4%
High school diploma or higher82.5%
Works from home11.1%
Drives to work alone73.6%
Takes public transport1.6%
Commutes 45 minutes or more26%
Health

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

Obesity24.8% 8.6 pts below the national average of 33.4%
Diagnosed diabetes12.8% 0.8 pts above the national average of 12%
Currently smokes10.2% 3 pts below the national average of 13.2%
High blood pressure28.8% 5.3 pts below the national average of 34.1%
Fair or poor general health24.1% 3.8 pts above the national average of 20.3%
No health insurance (18–64)13% 1.7 pts above the national average of 11.3%
Depression17.2% 4.7 pts below the national average of 21.9%
No leisure-time physical activity27.7% 2.3 pts above the national average of 25.4%
Arthritis18.3% 6.8 pts below the national average of 25.1%
Binge drinking14.2% 1.8 pts below the national average of 16%
Taking blood pressure medication71.7% 3 pts below the national average of 74.7%
Cancer (non-skin)5% 2.7 pts below the national average of 7.7%
Current asthma8.3% 2.1 pts below the national average of 10.4%
Coronary heart disease5% 1.2 pts below the national average of 6.2%
Routine check-up in past year71.3% 5.4 pts below the national average of 76.7%
Cholesterol screening84.7% 1.2 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening53.8% 10.5 pts below the national average of 64.3%
COPD4.2% 2.4 pts below the national average of 6.6%
Visited a dentist62% 0.7 pts above the national average of 61.3%
Any disability31% same as the national average of 30.7%
Lacks emotional support33.6% 8.8 pts above the national average of 24.8%
Food insecurity21.2% 4.1 pts above the national average of 17.1%
Received food stamps16.3% 2 pts above the national average of 14.3%
Hearing disability5.5% 1.2 pts below the national average of 6.7%
High cholesterol37.2% 1 pts above the national average of 36.2%
Housing insecurity17.4% 3.6 pts above the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport9.9% 0.7 pts above the national average of 9.2%
Loneliness41.8% 7.4 pts above the national average of 34.4%
Mammography use75.4% 0.5 pts below the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability14.1% same as the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat6.9% 1.9 pts below the national average of 8.8%
Sleeps under 7 hours35.9% 0.5 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost8.6% 4.4 pts below the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,102
People employed13,754
Annual payroll$642,196,000
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 loss72.5 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.

Earthquake93.4Very High at its worst in this ZIP code
River flooding64.4Relatively High at its worst in this ZIP code
Heat wave38.4Relatively Moderate at its worst in this ZIP code
Hail24.5Relatively Low at its worst in this ZIP code
Tornado22.7Relatively Low at its worst in this ZIP code
Landslide22.4Very Low at its worst in this ZIP code
Wildfire13.6Relatively Low at its worst in this ZIP code
Winter weather12.7Very Low at its worst in this ZIP code
Lightning10.6Very Low at its worst in this ZIP code
Drought8.5Very Low at its worst in this ZIP code
Strong wind8.1Very 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$100,142$96,334$78,538
Income per person$36,557$47,977$43,289
Poverty rate9.1%12%12.4%
Median home value$695,700$695,400$303,400
Median gross rent$2,253$1,956$1,348
Homeownership61%55.8%65%
Bachelor's degree or higher23.4%36.5%35%
Unemployment rate6.3%6.4%5.2%
Works from home11.1%15.5%13.5%
Born outside the US33.3%26.7%13.9%
Median age37.637.638.7
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 US15.2 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 supermarket17% 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

West Covina Unified School District84.3% of this ZIP code's land area
Covina-Valley Unified School District15.1% 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 vulnerability74more vulnerable than 74% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics69more vulnerable than 69% of US census tracts
Racial and ethnic minority status90more vulnerable than 90% of US census tracts
Housing type and transport70more vulnerable than 70% of US census tracts
Walkability13.6 out of 20Above average
Nearby ZIP codes

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

91793 West Covina, CA0.3 km away
91791 West Covina, CA3.6 km away
91744 La Puente, CA4.3 km away
91722 Covina, CA4.3 km away
91706 Baldwin Park, CA4.4 km away
91746 La Puente, CA5.2 km away
91723 Covina, CA5.2 km away
91747 La Puente, CA5.4 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 area5.76 sq mi
Water area0.03 sq mi
Population density7,782 people per sq mi
Latitude, longitude34.0673, -117.9366

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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