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91791

ZIP code 91791 is in Los Angeles County, California. About 33,028 people live here in 10,821 households. The median home value is $843,600 and the median household income $102,266. The average commute takes about 37 minutes.

ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
33,028residentsACS 2020–2024
$102,266median household incomeLos Angeles County: $90K
$843,600median home valueLos Angeles County: $834K
91%of households have broadbandhome internet subscription
91791 in CaliforniaZIP codes coloured by median household income
Map of California ZIP codes by household income, with 91791 marked 91791
<$45K$125K+

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files

People.

33,028 residents in 10,821 households, next to the Los Angeles County figure.

18%
under 18
21%
aged 18–34
21%
aged 65 and over
19%
of households are people living alone
50%
of households are married couples

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Homes.

11,320 housing units; the median owner-occupied home is valued at $843,600 (±$17,856).

65%
of households own their home
66%
of homes are detached single-family houses
24%
are in buildings with 5 or more units
0%
are mobile homes
4%
of housing units are vacant
$1,915
median gross rent a month

When homes were built

2020 or later0%
2010–20194%
2000–20096%
1990–19997%
1980–198911%
1970–197914%
1960–196915%
1950–195941%
1940–19491%
1939 or earlier1%

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Income and work.

Household income and work, in 2024 dollars; median household income ±$5,064.

$102,266
median household income
9.1%
of people live below the poverty line
8.6%
unemployment rate
33%
of adults 25+ hold a bachelor’s degree or higher

The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Getting around.

How workers aged 16 and over get to work, and how long it takes.

37 min
average commute to work
29%
of commuters travel 45 minutes or more
81%
of workers drive or carpool
2%
take public transportation
1%
walk or bike
15%
work from home
6%
of households have no car

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Internet.

Home internet subscriptions.

91%
of households have a broadband subscription
7%
have no internet access at home

American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates

Businesses in 91791.

798 business establishments with paid employees have an address in this ZIP code.

Grocery stores and supermarkets5
Convenience stores0
Pharmacies and drug stores0
Retail bakeries0
Full-service restaurants32
Limited-service restaurants28
Coffee shops and snack bars10
Bars0
Physicians’ offices19
Dentists’ offices16
Child care centers4
Gyms and fitness centers4
Movie theaters0
Museums0

Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023

Health.

Estimated share of adults in 91791, next to the national figure.

73%
had a routine checkup in the past year
64%
visited a dentist in the past year
10%
of 18–64s have no health insurance
25%
get no leisure-time physical activity
35%
usually sleep less than 7 hours
9%
smoke
23%
have obesity
13%
have diagnosed diabetes
30%
have high blood pressure
22%
report fair or poor general health
14%
report frequent mental distress
40%
often feel lonely
17%
faced food insecurity in the past year
14%
faced housing insecurity in the past year
8%
lacked reliable transportation in the past year

These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.

Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain

Nearest public schools.

In a straight line from the center of the ZIP code. Attendance zones are set by each school district.

Mt. SAC Early College Academy at West CovinaWest Covina0.5 mi
South Hills HighWest Covina0.5 mi
Mesa ElementaryWest Covina0.7 mi
Hollencrest MiddleWest Covina0.7 mi
Vine ElementaryWest Covina0.8 mi

Source: National Center for Education Statistics, EDGE public school locations 2024–25

Nearby ZIP codes.

ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.