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91731

ZIP code 91731 is in Los Angeles County, California. About 27,620 people live here in 8,293 households. The median home value is $635,600 and the median household income $62,215. The average commute takes about 32 minutes.

ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
27,620residentsACS 2020–2024
$62,215median household incomeLos Angeles County: $90K
$635,600median home valueLos Angeles County: $834K
88%of households have broadbandhome internet subscription
91731 in CaliforniaZIP codes coloured by median household income
Map of California ZIP codes by household income, with 91731 marked 91731
<$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.

27,620 residents in 8,293 households, next to the Los Angeles County figure.

23%
under 18
23%
aged 18–34
17%
aged 65 and over
21%
of households are people living alone
40%
of households are married couples

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

Homes.

8,648 housing units; the median owner-occupied home is valued at $635,600 (±$22,156).

40%
of households own their home
49%
of homes are detached single-family houses
34%
are in buildings with 5 or more units
5%
are mobile homes
4%
of housing units are vacant
$1,669
median gross rent a month

When homes were built

2020 or later1%
2010–20195%
2000–20096%
1990–19995%
1980–19899%
1970–197912%
1960–196916%
1950–195923%
1940–194912%
1939 or earlier11%

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 ±$4,336.

$62,215
median household income
17.8%
of people live below the poverty line
6.2%
unemployment rate
15%
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.

32 min
average commute to work
20%
of commuters travel 45 minutes or more
79%
of workers drive or carpool
5%
take public transportation
6%
walk or bike
10%
work from home
14%
of households have no car

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

Internet.

Home internet subscriptions.

88%
of households have a broadband subscription
10%
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 91731.

1,102 business establishments with paid employees have an address in this ZIP code.

Grocery stores and supermarkets6
Convenience stores4
Pharmacies and drug stores6
Retail bakeries0
Full-service restaurants29
Limited-service restaurants39
Coffee shops and snack bars11
Bars0
Physicians’ offices16
Dentists’ offices25
Child care centers3
Gyms and fitness centers0
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 91731, next to the national figure.

70%
had a routine checkup in the past year
49%
visited a dentist in the past year
18%
of 18–64s have no health insurance
35%
get no leisure-time physical activity
38%
usually sleep less than 7 hours
13%
smoke
26%
have obesity
16%
have diagnosed diabetes
32%
have high blood pressure
32%
report fair or poor general health
17%
report frequent mental distress
44%
often feel lonely
31%
faced food insecurity in the past year
23%
faced housing insecurity in the past year
14%
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.

Shirpser ElementaryEl Monte0.4 mi
Rio Vista ElementaryEl Monte0.4 mi
Columbia ElementaryEl Monte0.7 mi
Legore ElementaryEl Monte0.8 mi
Gidley ElementaryEl Monte0.9 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.