Skip to main content

91789 ZIP Code

Walnut, California

December 30, 2025
ZIP Code:91789
City/Town:Walnut
County:Los Angeles
State:California
ZIP Type:Standard
Population:41,377
Median Household Income:$123,555
Per Capita Income:$51,899
Total Housing Units:13,532
Median Home Value:$910,400
Land Area:15.9 sq miles
41.1 sq km
Water Area:0.1 sq miles
0.1 sq km
Coordinates:34.0182, -117.8548

Population Information (91789 zip code)

#%US
Total Population:41,377----
Male:20,25749.0%49.6%
Female:21,12051.0%50.4%
Median Age:46.1 yrs--38.5 yrs
Under 5 years:1,7984.3%5.7%
5 to 9 years:2,0735.0%6.0%
10 to 14 years:2,6126.3%6.5%
15 to 19 years:1,9994.8%6.6%
20 to 24 years:2,3755.7%6.7%
25 to 34 years:4,87711.8%13.7%
35 to 44 years:4,45610.8%12.9%
45 to 54 years:5,23712.7%12.4%
55 to 59 years:3,4708.4%6.5%
60 to 64 years:3,5018.5%6.4%
65 to 74 years:5,83414.1%9.7%
75 to 84 years:2,5076.1%4.8%
85 years and over:6381.5%2.0%

Housing Information (91789 zip code)

#%US
Median home value:$910,400--$281,900
Median rooms:6.5--5.5
Median rent:$2,690 / mo.--$1,268 / mo.
Total housing units:13,532----
Occupied housing units:12,69893.8%38.0%
Vacant housing units:8346.2%4.6%
Housing tenure:------
Owner-occupied:10,41282.0%64.8%
Renter-occupied:2,28618.0%35.2%

Educational Attainment (91789 zip code)

#%US
Population 25 years and over:30,520----
Less than 9th grade:1,2704.2%4.7%
9th to 12th grade, no diploma:9173.0%6.1%
High school graduate:4,70215.4%26.4%
Some college, no degree:4,71415.4%19.7%
Associate degree:2,6728.8%8.7%
Bachelor's degree:11,02536.1%20.9%
Graduate or professional degree:5,22017.1%13.7%
Percent high school graduate or higher:--92.8%89.1%
Percent bachelor's degree or higher:--53.2%34.3%

Income Information (91789 zip code)

ValueUS
Median household income:$123,555 / yr.$75,149 / yr.
Mean household income:$152,048 / yr.$105,833 / yr.
Median family income:$133,558 / yr.$92,646 / yr.
Per capita income:$51,899 / yr.$41,261 / yr.

Employment (91789 zip code)

#%US
In labor force:20,755--63.5%
Employed:19,76195.4%96.4%
Unemployed:9564.6%5.3%
Not in labor force:13,733----
Class of Worker:------
Private wage and salary:15,34477.6%79.7%
Government workers:3,01415.3%14.2%
Self-employed:1,3496.8%5.9%
Unpaid family workers:540.3%0.1%

Race & Ethnicity (91789 zip code)

#%US
Race (one race):------
White:6,74216.3%61.6%
Black or African American:9952.4%12.4%
American Indian/Alaska Native:940.2%1.1%
Asian:27,01465.3%6.0%
Native Hawaiian/Pacific Islander:2240.5%0.2%
Some other race:3,2978.0%8.4%
Two or more races:3,0117.3%10.2%
Hispanic or Latino (any race):5,04912.2%18.7%
Mexican:7,96619.3%11.2%
Puerto Rican:6,46715.6%1.8%
Cuban:1940.5%0.7%
Other Hispanic or Latino:430.1%5.0%
Not Hispanic or Latino:1,2623.1%81.1%

Income Distribution (91789 zip code)

Household IncomeHouseholds%US
Less than $10,000:5884.6%4.9%
$10,000 to $14,999:950.7%3.8%
$15,000 to $24,999:4153.3%7.0%
$25,000 to $34,999:4993.9%7.4%
$35,000 to $49,999:5924.7%10.7%
$50,000 to $74,999:1,51311.9%16.1%
$75,000 to $99,999:1,42811.2%12.8%
$100,000 to $149,999:2,68221.1%17.1%
$150,000 to $199,999:1,85114.6%8.8%
$200,000 or more:3,03523.9%11.4%

Commute to Work (91789 zip code)

Commute MethodWorkers%US
Drove alone:13,78869.8%67.8%
Carpooled:1,7398.8%8.7%
Public transportation:3952.0%4.2%
Walked:860.4%2.5%
Other means:3511.8%0.9%
Worked from home:3,00015.2%13.8%
Mean travel time to work:35.6 min--26.7 min

Industry (91789 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:830.4%1.6%
Construction:7623.9%6.9%
Manufacturing:1,5928.1%10.0%
Wholesale trade:1,3176.7%2.4%
Retail trade:2,24611.4%11.0%
Transportation, warehousing, utilities:1,2986.6%5.8%
Information:2731.4%1.9%
Finance, insurance, real estate:1,8799.5%6.7%
Professional, scientific, management:2,38912.1%12.1%
Education, health care, social services:4,42122.4%23.3%
Arts, entertainment, food services:1,6498.3%9.0%
Other services:8004.0%4.7%
Public administration:1,0525.3%4.7%

Poverty Status (91789 zip code)

#%US
Poverty Rate:--7.2%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (91789 zip code)

#%US
With health insurance:39,28394.9%91.3%
Private health insurance:29,45171.2%67.6%
Public health coverage:13,59432.9%35.9%
Without health insurance:2,0454.9%8.7%

Benefits & Assistance (91789 zip code)

Households with:#%US
Earnings:10,29181.0%77.4%
Social Security income:4,73437.3%31.0%
Retirement income:3,23225.5%21.8%
Supplemental Security Income (SSI):5504.3%4.5%
Cash public assistance income:3412.7%1.8%
SNAP (food stamps) benefits:6064.8%11.4%

Housing Types (91789 zip code)

Structure TypeUnits%US
1-unit, detached:11,78687.1%61.4%
1-unit, attached:6234.6%6.1%
2 units:210.2%3.4%
3 or 4 units:2251.7%4.3%
5 to 9 units:360.3%4.6%
10 to 19 units:330.2%4.3%
20 or more units:3002.2%9.9%
Mobile home:4973.7%5.8%
Boat, RV, van, etc.:110.1%0.1%

Year Structure Built (91789 zip code)

Year BuiltUnits%US
Built 2020 or later:00.0%0.6%
Built 2010 to 2019:2401.8%8.2%
Built 2000 to 2009:5093.8%13.5%
Built 1990 to 1999:8716.4%13.2%
Built 1980 to 1989:6,23946.1%13.2%
Built 1970 to 1979:3,29924.4%14.6%
Built 1960 to 1969:1,86113.8%10.2%
Built 1950 to 1959:3572.6%9.9%
Built 1940 to 1949:300.2%4.6%
Built 1939 or earlier:1260.9%12.0%

Bedrooms (91789 zip code)

Number of BedroomsUnits%US
No bedroom (studio):650.5%2.4%
1 bedroom:1110.8%3.0%
2 bedrooms:1,0397.7%9.1%
3 bedrooms:4,25431.4%15.9%
4 bedrooms:6,33446.8%18.8%
5 or more bedrooms:1,72912.8%17.6%

Heating Fuel (91789 zip code)

Fuel TypeUnits%US
Utility gas:10,43782.2%47.1%
Bottled, tank, or LP gas:1801.4%4.9%
Electricity:1,92215.1%40.2%
Fuel oil, kerosene, etc.:30.0%4.2%
Coal or coke:00.0%0.1%
Wood:270.2%1.5%
Solar energy:670.5%0.1%
Other fuel:00.0%0.5%
No fuel used:620.5%0.2%

Vehicles Available (91789 zip code)

VehiclesHouseholds%US
No vehicle available:2281.8%8.3%
1 vehicle available:1,88014.8%32.6%
2 vehicles available:5,11140.3%37.0%
3 or more vehicles available:5,47943.1%22.1%

Home Value Distribution (91789 zip code)

Value RangeOwner Units%US
Less than $50,000:980.9%5.7%
$50,000 to $99,999:2692.6%7.8%
$100,000 to $149,999:1281.2%9.2%
$150,000 to $199,999:1481.4%10.8%
$200,000 to $299,999:420.4%19.9%
$300,000 to $499,999:3143.0%24.1%
$500,000 to $999,999:5,70754.8%17.0%
$1,000,000 or more:3,70635.6%5.6%

Housing Costs (91789 zip code)

ValueUS
Median owner costs (with mortgage):$3,191 / mo.$1,828 / mo.
Median owner costs (no mortgage):$908 / mo.$584 / mo.
Median gross rent:$2,690 / mo.$1,268 / mo.
Average household size (owner-occupied):3.162.53
Average household size (renter-occupied):3.682.38

Households (91789 zip code)

#%US
Total households:12,698----
Married-couple households:8,82669.5%47.5%
Cohabiting couple households:2,75821.7%7.0%
Male householder, no spouse:1,2259.6%5.4%
Female householder, no spouse:2,31918.3%12.7%
Householder living alone:4,09232.2%28.6%
65 years and over living alone:5,59644.1%11.8%
Average household size:3.25--2.53
Average family size:3.42----

Marital Status (91789 zip code)

Population 15 years and over#%US
Total:17,165----
Never married:5,65733.0%37.0%
Now married:10,42160.7%49.5%
Separated:4172.4%1.5%
Widowed:5303.1%2.6%
Divorced:4,58726.7%9.3%

School Enrollment (91789 zip code)

Population 3 years and over#%US
Enrolled in school:9,818----
Nursery school, preschool:4244.3%5.8%
Kindergarten:6516.6%5.0%
Elementary school (grades 1-8):3,49935.6%40.5%
High school (grades 9-12):1,73017.6%21.4%
College or graduate school:3,51435.8%27.3%

Veterans & Disability (91789 zip code)

#%US
Civilian population 18 years and over:33,583----
Veterans:1,1693.5%6.3%
Civilian noninstitutionalized population:41,328----
With a disability:3,2387.8%13.4%
Under 18 with disability:1635.0%5.8%
18 to 64 with disability:1,22137.7%10.4%
65 and over with disability:1,85457.3%33.4%

Mobility (Residence 1 Year Ago) (91789 zip code)

Population 1 year and over#%US
Same house:37,74991.2%86.9%
Different house:3,3808.2%13.1%
Same county:2,11162.5%7.0%
Different county:81124.0%3.2%
Different state:2116.2%2.5%
Abroad:45813.6%0.4%

Place of Birth (91789 zip code)

#%US
Native born:21,22351.3%86.2%
Foreign born:6121.5%13.9%
Naturalized citizen:20,1543293.1%52.7%
Not a citizen:20,1543293.1%47.3%
Foreign-born by region:------
Europe:20,1543293.1%10.5%
Asia:24840.5%31.3%
Africa:18730.6%5.5%
Oceania:579.3%0.5%
Latin America:1,291210.9%50.0%
Northern America:11719.1%2.2%

Language Spoken at Home (91789 zip code)

Population 5 years and over#%US
Total:39,579----
English only:13,88435.1%78.3%
Language other than English:25,69564.9%21.5%
By language:------
Spanish:3,5749.0%13.3%
Other Indo-European languages:1,4583.7%3.5%
Asian/Pacific Island languages:20,34051.4%3.5%
Other languages:3230.8%1.0%

Computers & Internet (91789 zip code)

Households%US
Households with a computer:12,698100.0%93.1%
Households with broadband internet:12,46798.2%89.4%