Postal Codes

91311 ZIP Code

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ZIP code 91311 covers Chatsworth, California, with a population of about 40,557 and a median household income of $117,574.

Population
40,5571,245 per square mile
Median age
42.33.6 points above the US average
Median household income
$117,5741.2× the California median
Poverty rate
7.6%4.8 points below the US average
Typical home value
$941,301up 14.5% in five years
Median rent
$2,1991.1× the California median
Degree or higher
44.9%9.9 points above the US average
Homeownership
66.8%1.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
2,111

Where 91311 is

Chatsworth, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population40,557
Median age42.3
Family households72.1%
Born outside the US29.3%
Speaks a language other than English at home41.9%
White (non-Hispanic)40.9%
Black (non-Hispanic)6.6%
Asian (non-Hispanic)18.5%
Hispanic or Latino28.8%
Veterans3.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$117,574
Income per person$52,778
Poverty rate7.6%
Households on SNAP or cash assistance9.2%

Household income distribution

Under $10k3.6%
$10–15k1.2%
$15–20k1.9%
$20–25k1.4%
$25–30k2.1%
$30–35k2.0%
$35–40k2.4%
$40–45k1.7%
$45–50k3.0%
$50–60k4.4%
$60–75k7.3%
$75–100k9.3%
$100–125k14.5%
$125–150k9.8%
$150–200k11.5%
$200k or more23.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed19,420
Mean adjusted gross income$111,550
Returns declaring $200,000 or more11.4%
Returns, under $25k24.0%
Returns, $25k–$50k19.1%
Returns, $50k–$75k14.4%
Returns, $75k–$100k10.6%
Returns, $100k–$200k20.5%
Returns, $200k or more11.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$837,300
Median gross rent$2,199
Rent as a share of household income29.6%
Owner-occupied66.8%
Vacant homes3.3%
Median year built1974

What the homes are

Detached house58.4%
Attached house10.9%
2 to 4 units2%
5 to 19 units4.2%
20 or more units20.8%
Mobile home3.6%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$941,301as of 2026-07
Typical home value, 1 yeardown 0.6%
Typical home value, 5 yearsup 14.5%
Typical home value, 10 yearsup 75.2%
Typical asking rent$2,840as of 2026-07
Typical asking rent, 1 yearup 0.9%
Typical home value since 2000
200020132026$959,585$262,304

$262,304 in 2000 to $941,301 in 2026.

Typical asking rent
202220242026$2,840$2,552

$2,552 in 2022 to $2,840 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.9%
Bachelor's degree or higher44.9%
High school diploma or higher91.1%
Works from home17%
Drives to work alone69.7%
Takes public transport0.7%
Commutes 45 minutes or more19.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity23.2% 10.2 pts below the national average of 33.4%
Diagnosed diabetes10.9% 1.1 pts below the national average of 12%
Currently smokes9.1% 4.1 pts below the national average of 13.2%
High blood pressure30.2% 3.9 pts below the national average of 34.1%
Fair or poor general health18.3% 2 pts below the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression19.1% 2.8 pts below the national average of 21.9%
No leisure-time physical activity20.5% 4.9 pts below the national average of 25.4%
Arthritis21.7% 3.4 pts below the national average of 25.1%
Binge drinking15.1% 0.9 pts below the national average of 16%
Taking blood pressure medication74.2% 0.5 pts below the national average of 74.7%
Cancer (non-skin)7.7% same as the national average of 7.7%
Current asthma9% 1.4 pts below the national average of 10.4%
Coronary heart disease5.2% 1 pts below the national average of 6.2%
Routine check-up in past year74.5% 2.2 pts below the national average of 76.7%
Cholesterol screening88.3% 2.4 pts above the national average of 85.9%
Cognitive disability12.3% 2.5 pts below the national average of 14.8%
Colorectal screening61.6% 2.7 pts below the national average of 64.3%
COPD4.6% 2 pts below the national average of 6.6%
Visited a dentist69.1% 7.8 pts above the national average of 61.3%
Any disability27.3% 3.4 pts below the national average of 30.7%
Lacks emotional support27.9% 3.1 pts above the national average of 24.8%
Food insecurity12.4% 4.7 pts below the national average of 17.1%
Received food stamps10.3% 4 pts below the national average of 14.3%
Hearing disability5.7% 1 pts below the national average of 6.7%
High cholesterol38.4% 2.2 pts above the national average of 36.2%
Housing insecurity11% 2.8 pts below the national average of 13.8%
Independent living disability6.9% 1.5 pts below the national average of 8.4%
Lacks transport6.7% 2.5 pts below the national average of 9.2%
Loneliness38% 3.6 pts above the national average of 34.4%
Mammography use78.2% 2.3 pts above the national average of 75.9%
Poor mental health (14+ days)14.5% 2.3 pts below the national average of 16.8%
Mobility disability12.4% 1.6 pts below the national average of 14%
Poor physical health (14+ days)12.4% 1.1 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat4.8% 4 pts below the national average of 8.8%
Sleeps under 7 hours33.4% 3 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost6.5% 6.5 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments2,111
People employed35,895
Annual payroll$2,166,718,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 80.7% of US census tracts
FEMA ratingVery Low to Very High across the 21 census tracts this ZIP code covers
Expected annual loss87.5 out of 100
Community resilience13.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake90Very High at its worst in this ZIP code
Wildfire86.9Very High at its worst in this ZIP code
Landslide83.7Relatively Moderate at its worst in this ZIP code
River flooding56.4Very High at its worst in this ZIP code
Hail17.3Very Low at its worst in this ZIP code
Heat wave15Relatively Low at its worst in this ZIP code
Winter weather12.9Very Low at its worst in this ZIP code
Tornado11.9Relatively Low at its worst in this ZIP code
Cold wave9.6Very Low at its worst in this ZIP code
Strong wind3.3Very Low at its worst in this ZIP code
Drought1.5Very Low at its worst in this ZIP code
Lightning1.5Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$117,574$96,334$78,538
Income per person$52,778$47,977$43,289
Poverty rate7.6%12%12.4%
Median home value$837,300$695,400$303,400
Median gross rent$2,199$1,956$1,348
Homeownership66.8%55.8%65%
Bachelor's degree or higher44.9%36.5%35%
Unemployment rate4.9%6.4%5.2%
Works from home17%15.5%13.5%
Born outside the US29.3%26.7%13.9%
Median age42.337.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationNORTHRIDGE CAL STATE, CA US6.3 km away
Rain in a year15 in

Average high and low by month

January67.3°F / 46.7°F3.42 in rain
February68°F / 46.6°F3.89 in rain
March71°F / 49.2°F2.35 in rain
April74.6°F / 51.7°F0.72 in rain
May77.8°F / 55.6°F0.37 in rain
June83.6°F / 59.8°F0.1 in rain
July90.1°F / 63.7°F0.02 in rain
August91.9°F / 64.2°F0.01 in rain
September89.2°F / 62°F0.09 in rain
October82°F / 55.6°F0.56 in rain
November74.3°F / 50.2°F0.79 in rain
December66.7°F / 45.8°F2.32 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket18% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Los Angeles Unified School District64.9% of this ZIP code's land area
Newhall Elementary School District16.2% of this ZIP code's land area
William S. Hart Union High School District16.2% of this ZIP code's land area
Simi Valley Unified School District2.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability25more vulnerable than 25% of US census tracts
Socioeconomic status29more vulnerable than 29% of US census tracts
Household characteristics19more vulnerable than 19% of US census tracts
Racial and ethnic minority status66more vulnerable than 66% of US census tracts
Housing type and transport29more vulnerable than 29% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

91313 Chatsworth, CA0.9 km away
91326 Porter Ranch, CA1 km away
91304 Canoga Park, CA4.7 km away
91324 Northridge, CA4.8 km away
91396 Winnetka, CA5.3 km away
91306 Winnetka, CA5.7 km away
91327 Northridge, CA6 km away
91328 Northridge, CA6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Los Angeles County96.7% of this ZIP code's land area
Ventura County3.3% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area32.56 sq mi
Water area0.93 sq mi
Population density1,245 people per sq mi
Latitude, longitude34.2583, -118.5914

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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