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.

40,196
population
32.56
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91311 ZIP code map
Cities in ZIP code 91311

Below are the cities the US Postal Service accepts for ZIP code 91311. Using any city not on this list may result in mail delivery delays.

City Status
Chatsworth Preferred
Nearby ZIP codes
91326 Porter Ranch (2.2 mi) 91324 Northridge (4.1 mi) 91304 Canoga Park (4.4 mi) 91330 Northridge (5 mi) 91344 Granada Hills (5.1 mi) 93063 Simi Valley (5.2 mi) 91329 Northridge (5.3 mi) 91306 Winnetka (5.4 mi) 91325 Northridge (5.7 mi) 91381 Stevenson Ranch (5.9 mi) 91303 Canoga Park (6.2 mi) 91303 Canoga Park (6.2 mi)
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
Total population by age
Gender
Race & ethnicity
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

40,196
Population
1,235
People per sq mi
42.8
Median age
$112,172
Median household income
$51,418
Per capita income
$789,500
Median home value
$2,154
Median monthly rent
66.1%
Home ownership
6.1%
Poverty rate
5.4%
Unemployment
9,923
Housing units
43.7%
Bachelor's or higher

Age distribution

Male Female
1,078
Under 5
1,128
1,068
5–9
1,118
900
10–14
943
1,146
15–19
1,200
989
20–24
1,036
2,398
25–34
2,512
2,705
35–44
2,833
2,663
45–54
2,789
1,435
55–59
1,502
1,478
60–64
1,547
2,087
65–74
2,185
1,123
75–84
1,175
566
85+
592
← Male
Female →

Age summary

GroupCount%
Under 187,92119.7%
18 and over32,27580.3%
65 and over7,72819.2%
Median age42.8 years

Race & ethnicity

White 42.9%
Hispanic or Latino 16%
Asian 15%
Two or more races 11.7%
Other race 8.6%
Black or African American 5.2%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White20,53142.9%
Hispanic or Latino7,63216%
Asian7,19415%
Two or more races5,57511.7%
Other race4,1288.6%
Black or African American2,4855.2%
American Indian / Alaska Native2240.5%
Native Hawaiian / Pacific Islander590.1%

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%
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%
Range% of households
Under $10k3.5%
$10k–$15k1.1%
$15k–$25k3.2%
$25k–$35k4.8%
$35k–$50k7.2%
$50k–$75k13.2%
$75k–$100k10.9%
$100k–$150k23.1%
$150k–$200k11.6%
$200k+21.5%
Median income$112,172

Housing

Home values

Under $50k 2.2%
$50k–$100k 2.1%
$100k–$150k 1.0%
$150k–$200k 0.8%
$200k–$300k 0.3%
$300k–$500k 8.1%
$500k–$1M 63.4%
$1M+ 22.2%

Housing overview

MetricValue
Median home value$789,500
Median rent / month$2,154
Owner occupied66.1%
Renter occupied33.9%
Vacant3.5%
Single-family detached59.1%
Large apartment buildings20.8%
Mobile homes3.5%
Median rooms5.7
Avg household size (owned)2.80

Year built

Era%
2020 or later0.3%
2010–20193.4%
2000–20094.9%
1990–19995.0%
1980–198916.7%
1970–197932.3%
1960–196920.8%
1950–195912.3%
1940–19492.2%
1939 or earlier2.0%

Bedrooms

Size% of units
No bedroom (studio)2.9%
1 bedroom8.8%
2 bedrooms20.8%
3 bedrooms30.6%
4 bedrooms29.5%
5+ bedrooms7.3%

Vehicles per household

Vehicles% of households
No vehicle3.9%
1 vehicle28.1%
2 vehicles41.5%
3 or more26.6%

Heating fuel

Fuel type%
Utility gas67.2%
Electricity27.7%
Propane / LP gas2.2%
Wood0.3%
Solar0.5%
No fuel used1.6%

Households & families

Household typeCount%
Married-couple family7,69954.1%
Cohabiting couple8636.1%
Male householder, no spouse2,19715.5%
Female householder, no spouse3,46124.3%
Households with children under 184,39930.9%
Households with seniors (65+)5,09635.8%
Average household size2.76

Marital status

StatusMaleFemale
Never married36.4%28.7%
Married51.9%48.1%
Separated1.0%1.7%
Widowed2.1%10.2%
Divorced8.6%11.3%

Education

Less than 9th grade 4.3%
Some HS, no diploma 4.0%
HS graduate 18.4%
Some college, no degree 18.5%
Associate's degree 11.1%
Bachelor's degree 28.1%
Graduate / professional 15.6%
Metric%
HS diploma or higher91.7%
Bachelor's or higher43.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5245.9%
Kindergarten5626.3%
Elementary school2,97533.3%
High school2,18524.4%
College / grad school2,69730.2%

Employment

Industry of employment

Education & healthcare 25.4%
Professional & management 11.8%
Retail trade 11.1%
Manufacturing 10.3%
Finance & real estate 9.0%
Arts, food & hospitality 6.8%
Construction 5.8%
Other services 5.3%
Information 4.2%
Wholesale trade 3.9%
Transportation & utilities 3.0%
Public administration 2.9%
Agriculture & mining 0.5%

Occupation

Category%
Management, business & arts50.7%
Service12.0%
Sales & office22.2%
Natural resources & construction6.5%
Production & transportation8.6%

Employment type

Type%
Private sector78.0%
Government11.9%
Self-employed9.9%
Unpaid family workers0.2%

Commute

Method%
Drive alone72.4%
Carpool7.9%
Public transit1.3%
Walk1.6%
Work from home14.2%
Other means2.5%
Avg commute (minutes)28.9

Poverty

All people 6.1%
Under 18 years 3.8%
18 and over 6.7%
Married-couple families 2.2%
Female-led households 10.7%

Income support

Source% of households
Social Security33.2%
Retirement income22.0%
Supplemental Security4.8%
Cash public assistance2.4%
Food stamps / SNAP6.7%

Health indicators

Condition%
Obesity25.2%
High blood pressure27.2%
High cholesterol30.5%
Diabetes8.6%
Heart disease5.3%
Stroke2.5%
Asthma8.5%
Arthritis19.1%
Kidney disease2.6%
Pulmonary disease5.2%
Cancer6.4%
Behavior / access%
Smoking9.1%
Binge drinking17.2%
No physical activity16.4%
Less than 7 hrs sleep30.9%
Depression16.2%
Fair or poor health11.5%
Poor mental health13.5%
Poor physical health8.6%
No health insurance9.7%
Visited doctor (checkup)65.6%
Visited dentist68.6%
Cholesterol screening93.1%
Teeth loss8.0%

Veterans & disability

VeteransCount%
Civilian veterans1,1753.6%
Disability%
Any disability10.8%
Under 185.4%
18–64 years7.0%
65 and over29.0%

Health insurance coverage

Type%
Private insurance73.4%
Public insurance33.0%
No insurance5.2%
Uninsured under 199.8%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only37,99094.5%
Spanish5,11113.5%
Other Indo-European1,8524.9%
Asian & Pacific Islander1,0102.7%
Other languages2,0725.5%

Place of birth & citizenship

OriginCount%
Native born (US)28,99972.1%
Born in same state28,57471.1%
Born in different state21,70254.0%
Foreign born4251.1%
Naturalized citizen11,19727.9%
Not a US citizen8,32374.3%

Ancestry

AncestryCount%
Italian2,2365.6%
French1,9314.8%
Arab1,1062.8%
Irish7391.8%
Polish2890.7%
AncestryCount%
English1200.3%
Dutch1160.3%
German980.2%
Norwegian960.2%

Technology access

Metric% of households
Computer access35.4%
Internet access96.9%

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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