ZIP code 91789 is in Los Angeles County, California. About 40,298 people live here in 12,681 households. The median home value is $975,000 and the median household income $125,720. The average commute takes about 37 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
40,298residentsACS 2020–2024
$125,720median household incomeLos Angeles County: $90K
$975,000median home valueLos Angeles County: $834K
96%of households have broadbandhome internet subscription
91789 in CaliforniaZIP codes coloured by median household income
91789
<$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.
40,298 residents in 12,681 households, next to the Los Angeles County figure.
20%
under 18
HereLos Angeles County
18%
aged 18–34
HereLos Angeles County
22%
aged 65 and over
HereLos Angeles County
12%
of households are people living alone
HereLos Angeles County
69%
of households are married couples
HereLos Angeles County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
13,503 housing units; the median owner-occupied home is valued at $975,000 (±$23,107).
82%
of households own their home
HereLos Angeles County
87%
of homes are detached single-family houses
HereLos Angeles County
2%
are in buildings with 5 or more units
HereLos Angeles County
4%
are mobile homes
HereLos Angeles County
6%
of housing units are vacant
HereLos Angeles County
$2,865
median gross rent a month
HereLos Angeles County
When homes were built
2020 or later1%
2010–20193%
2000–20094%
1990–19996%
1980–198945%
1970–197925%
1960–196914%
1950–19593%
1940–19490%
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 ±$6,903.
$125,720
median household income
HereLos Angeles County
9.2%
of people live below the poverty line
HereLos Angeles County
4.4%
unemployment rate
HereLos Angeles County
54%
of adults 25+ hold a bachelor’s degree or higher
HereLos Angeles County
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
HereLos Angeles County
29%
of commuters travel 45 minutes or more
HereLos Angeles County
76%
of workers drive or carpool
HereLos Angeles County
1%
take public transportation
HereLos Angeles County
1%
walk or bike
HereLos Angeles County
21%
work from home
HereLos Angeles County
2%
of households have no car
HereLos Angeles County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
96%
of households have a broadband subscription
HereLos Angeles County
3%
have no internet access at home
HereLos Angeles County
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 91789.
2,325 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets6
Convenience stores0
Pharmacies and drug stores4
Retail bakeries0
Full-service restaurants44
Limited-service restaurants44
Coffee shops and snack bars25
Bars0
Physicians’ offices35
Dentists’ offices42
Child care centers11
Gyms and fitness centers7
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 91789, next to the national figure.
76%
had a routine checkup in the past year
HereUnited States
67%
visited a dentist in the past year
HereUnited States
5%
of 18–64s have no health insurance
HereUnited States
22%
get no leisure-time physical activity
HereUnited States
34%
usually sleep less than 7 hours
HereUnited States
7%
smoke
HereUnited States
17%
have obesity
HereUnited States
13%
have diagnosed diabetes
HereUnited States
30%
have high blood pressure
HereUnited States
17%
report fair or poor general health
HereUnited States
11%
report frequent mental distress
HereUnited States
39%
often feel lonely
HereUnited States
12%
faced food insecurity in the past year
HereUnited States
9%
faced housing insecurity in the past year
HereUnited States
6%
lacked reliable transportation in the past year
HereUnited States
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.
Walnut HighWalnut0.4 mi
Vejar ElementaryWalnut0.4 mi
Suzanne MiddleWalnut0.5 mi
Ron Hockwalt Academies (Continuation)Walnut0.7 mi
Cyrus J. Morris ElementaryWalnut0.8 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.