ZIP code
91311
Chatsworth, CA
91311 covers Chatsworth in Los Angeles County, with 40,557 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91311. Methodology
ZIP code map of 91311
About ZIP code 91311
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 91311. Not ACS. Methodology
People in 91311
Race
- White18,850
- Black or African American2,034
- American Indian or Alaska Native357
- Asian7,201
- Native Hawaiian and Pacific Islander69
- Other race5,338
- Two or more races5,165
Hispanic or Latino (any race): 10,997
Age
- Under 103,528
- 10 to 194,243
- 20 to 294,730
- 30 to 394,964
- 40 to 495,028
- 50 to 595,843
- 60 to 695,445
- 70 to 793,353
- 80 and older1,880
Income and housing in 91311
Education
- High school graduate91.1%
- Bachelor's degree44.9%
- Graduate degree16.3%
Places covering 91311
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Los Angeles92.7%
- Simi Valley0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Los Angeles County99.1%
- Ventura County0.9%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
7.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 91311
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 33,337 | |
| 2006 | 32,301 | |
| 2007 | 33,963 | |
| 2008 | 32,803 | |
| 2009 | 33,444 | |
| 2010 | 33,660 | |
| 2011 | 37,504 | 34,084 |
| 2012 | 37,945 | 34,580 |
| 2013 | 38,117 | 34,460 |
| 2014 | 37,769 | 34,220 |
| 2015 | 38,505 | 34,330 |
| 2016 | 38,479 | 34,530 |
| 2017 | 40,064 | 34,550 |
| 2018 | 40,420 | 34,470 |
| 2019 | 40,839 | 34,640 |
| 2020 | 41,811 | 35,040 |
| 2021 | 41,188 | 34,470 |
| 2022 | 40,196 | 34,670 |
| 2023 | 40,557 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 91311
12 nearest ZIP centroids (any distance)
- 91326Porter Ranch2.8 miPop 37,068 · Income $148,636
- 91324Northridge4.8 miPop 29,510 · Income $99,834
- 93063Simi Valley4.9 miPop 56,110 · Income $124,030
- 91304Canoga Park5.1 miPop 53,794 · Income $82,289
- 91330Northridge5.4 miPop 2,591 · Income —
- 91344Granada Hills5.6 miPop 53,248 · Income $116,647
- 91381Stevenson Ranch5.6 miPop 21,857 · Income $146,706
- 91306Winnetka5.9 miPop 48,177 · Income $88,958
- 91325Northridge6.2 miPop 35,116 · Income $92,602
- 93093Simi Valley6.3 miPop — · Income —
- 93064Brandeis6.4 miPop 0 · Income —
- 91303Canoga Park6.5 miPop 29,522 · Income $76,051
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 91311, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 91311 FAQ
- What city is ZIP code 91311 in?
- 91311 is in Chatsworth, CA.
- What county is 91311 in?
- 91311 is in Los Angeles County.
- What is the median household income in 91311?
- The median household income in 91311 is $117,574.
- Which ZIP codes are near 91311?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 91311.