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California ZIP Codes
Los Angeles County
Chatsworth, CA
91311
91311 ZIP Code — Chatsworth, CA
Los Angeles County, California
ZIP code 91311 is located in
Chatsworth ,
California ,
within Los Angeles County .
It covers approximately 32.56 square miles and serves a population of
40,196 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 818/747 .
About ZIP code 91311
The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1970s, giving the area an established character. Median home value is $789,500. Owner-occupancy sits near the national average at 66%.
The gap between median ($112,172) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 44% of residents holding a bachelor's degree or higher.
91311 ZIP code map
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Cities in ZIP code 91311
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
40,196
Population density
1,235 / sq mi
State FIPS
06
County FIPS
037
Geography
Land area
32.56 sq mi
Water area
0.93 sq mi
Latitude
34.2868
Longitude
-118.5959
Timezone
Pacific (PT)
Area code
818/747
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.1%
36.2%
32.6%
$50k – $100k
29.2%
28.2%
27.7%
$100k – $200k
33.3%
24.5%
26.4%
Over $200k
14.5%
11.0%
13.3%
Demographics & statistics
$112,172
Median household income
$789,500
Median home value
$2,154
Median monthly rent
43.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7,921 19.7%
18 and over 32,275 80.3%
65 and over 7,728 19.2%
Median age 42.8 years
Race & ethnicity
Black or African American
5.2%
American Indian / Alaska Native
0.5%
Native Hawaiian / Pacific Islander
0.1%
Group Count %
White 20,531 42.9%
Hispanic or Latino 7,632 16%
Asian 7,194 15%
Two or more races 5,575 11.7%
Other race 4,128 8.6%
Black or African American 2,485 5.2%
American Indian / Alaska Native 224 0.5%
Native Hawaiian / Pacific Islander 59 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
23.1%
36.2%
32.6%
$50k – $100k
29.2%
28.2%
27.7%
$100k – $200k
33.3%
24.5%
26.4%
Over $200k
14.5%
11.0%
13.3%
Range % of households
Under $10k 3.5%
$10k–$15k 1.1%
$15k–$25k 3.2%
$25k–$35k 4.8%
$35k–$50k 7.2%
$50k–$75k 13.2%
$75k–$100k 10.9%
$100k–$150k 23.1%
$150k–$200k 11.6%
$200k+ 21.5%
Median income $112,172
Housing
Housing overview
Metric Value
Median home value $789,500
Median rent / month $2,154
Owner occupied 66.1%
Renter occupied 33.9%
Vacant 3.5%
Single-family detached 59.1%
Large apartment buildings 20.8%
Mobile homes 3.5%
Median rooms 5.7
Avg household size (owned) 2.80
Year built
Era %
2020 or later 0.3%
2010–2019 3.4%
2000–2009 4.9%
1990–1999 5.0%
1980–1989 16.7%
1970–1979 32.3%
1960–1969 20.8%
1950–1959 12.3%
1940–1949 2.2%
1939 or earlier 2.0%
Bedrooms
Size % of units
No bedroom (studio) 2.9%
1 bedroom 8.8%
2 bedrooms 20.8%
3 bedrooms 30.6%
4 bedrooms 29.5%
5+ bedrooms 7.3%
Vehicles per household
Vehicles % of households
No vehicle 3.9%
1 vehicle 28.1%
2 vehicles 41.5%
3 or more 26.6%
Heating fuel
Fuel type %
Utility gas 67.2%
Electricity 27.7%
Propane / LP gas 2.2%
Wood 0.3%
Solar 0.5%
No fuel used 1.6%
Households & families
Household type Count %
Married-couple family 7,699 54.1%
Cohabiting couple 863 6.1%
Male householder, no spouse 2,197 15.5%
Female householder, no spouse 3,461 24.3%
Households with children under 18 4,399 30.9%
Households with seniors (65+) 5,096 35.8%
Average household size 2.76
Marital status
Status Male Female
Never married 36.4% 28.7%
Married 51.9% 48.1%
Separated 1.0% 1.7%
Widowed 2.1% 10.2%
Divorced 8.6% 11.3%
Education
Some college, no degree
18.5%
Graduate / professional
15.6%
Metric %
HS diploma or higher 91.7%
Bachelor's or higher 43.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 524 5.9%
Kindergarten 562 6.3%
Elementary school 2,975 33.3%
High school 2,185 24.4%
College / grad school 2,697 30.2%
Employment
Industry of employment
Education & healthcare
25.4%
Professional & management
11.8%
Finance & real estate
9.0%
Arts, food & hospitality
6.8%
Transportation & utilities
3.0%
Public administration
2.9%
Agriculture & mining
0.5%
Occupation
Category %
Management, business & arts 50.7%
Service 12.0%
Sales & office 22.2%
Natural resources & construction 6.5%
Production & transportation 8.6%
Employment type
Type %
Private sector 78.0%
Government 11.9%
Self-employed 9.9%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 72.4%
Carpool 7.9%
Public transit 1.3%
Walk 1.6%
Work from home 14.2%
Other means 2.5%
Avg commute (minutes) 28.9
Poverty
Married-couple families
2.2%
Female-led households
10.7%
Income support
Source % of households
Social Security 33.2%
Retirement income 22.0%
Supplemental Security 4.8%
Cash public assistance 2.4%
Food stamps / SNAP 6.7%
Health indicators
Condition %
Obesity 25.2%
High blood pressure 27.2%
High cholesterol 30.5%
Diabetes 8.6%
Heart disease 5.3%
Stroke 2.5%
Asthma 8.5%
Arthritis 19.1%
Kidney disease 2.6%
Pulmonary disease 5.2%
Cancer 6.4%
Behavior / access %
Smoking 9.1%
Binge drinking 17.2%
No physical activity 16.4%
Less than 7 hrs sleep 30.9%
Depression 16.2%
Fair or poor health 11.5%
Poor mental health 13.5%
Poor physical health 8.6%
No health insurance 9.7%
Visited doctor (checkup) 65.6%
Visited dentist 68.6%
Cholesterol screening 93.1%
Teeth loss 8.0%
Veterans & disability
Veterans Count %
Civilian veterans 1,175 3.6%
Disability %
Any disability 10.8%
Under 18 5.4%
18–64 years 7.0%
65 and over 29.0%
Health insurance coverage
Type %
Private insurance 73.4%
Public insurance 33.0%
No insurance 5.2%
Uninsured under 19 9.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 37,990 94.5%
Spanish 5,111 13.5%
Other Indo-European 1,852 4.9%
Asian & Pacific Islander 1,010 2.7%
Other languages 2,072 5.5%
Place of birth & citizenship
Origin Count %
Native born (US) 28,999 72.1%
Born in same state 28,574 71.1%
Born in different state 21,702 54.0%
Foreign born 425 1.1%
Naturalized citizen 11,197 27.9%
Not a US citizen 8,323 74.3%
Ancestry
Ancestry Count %
Italian 2,236 5.6%
French 1,931 4.8%
Arab 1,106 2.8%
Irish 739 1.8%
Polish 289 0.7%
Ancestry Count %
English 120 0.3%
Dutch 116 0.3%
German 98 0.2%
Norwegian 96 0.2%
Technology access
Metric % of households
Computer access 35.4%
Internet access 96.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91311
What city is ZIP code 91311 in?
ZIP code 91311 is primarily assigned to Chatsworth, California.
What county is ZIP code 91311 in?
ZIP code 91311 falls within Los Angeles County, California.
What is the typical home value in ZIP code 91311?
The median home value in ZIP code 91311 is $789,500.
What is the median household income in ZIP code 91311?
The median household income in ZIP code 91311 is $112,172, above the national median of ~$75,000.
What is the population of ZIP code 91311?
ZIP code 91311 has an estimated population of 40,196 residents, with a density of 1,234 people per square mile.
What timezone is ZIP code 91311 in?
ZIP code 91311 observes the PST timezone.
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