Postal Codes

91377 ZIP Code

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ZIP code 91377 covers Oak Park, California, with a population of about 13,656 and a median household income of $160,484.

Population
13,6562,531 per square mile
Median age
41.42.7 points above the US average
Median household income
$160,4841.7× the California median
Poverty rate
3.3%9.1 points below the US average
Typical home value
$1,127,794up 22.8% in five years
Median rent
$3,1501.6× the California median
Degree or higher
63.2%28.2 points above the US average
Homeownership
71.8%6.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
295

Where 91377 is

Oak Park, 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

Population13,656
Median age41.4
Family households76.3%
Born outside the US22.6%
Speaks a language other than English at home25.2%
White (non-Hispanic)69.8%
Black (non-Hispanic)0.3%
Asian (non-Hispanic)18%
Hispanic or Latino7.8%
Veterans2.3%
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$160,484
Income per person$80,193
Poverty rate3.3%
Households on SNAP or cash assistance3.2%

Household income distribution

Under $10k4.2%
$10–15k1.1%
$15–20k0.4%
$20–25k0.4%
$25–30k0.6%
$30–35k2.7%
$35–40k2.9%
$40–45k0.7%
$45–50k1.0%
$50–60k2.9%
$60–75k4.2%
$75–100k6.2%
$100–125k11.0%
$125–150k7.3%
$150–200k19.5%
$200k or more35.0%

Income as declared to the IRS

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

Tax returns filed6,620
Mean adjusted gross income$169,996
Returns declaring $200,000 or more26.9%
Returns, under $25k19.3%
Returns, $25k–$50k11.2%
Returns, $50k–$75k10.4%
Returns, $75k–$100k8.9%
Returns, $100k–$200k23.3%
Returns, $200k or more26.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,017,100
Median gross rent$3,150
Rent as a share of household income30.2%
Owner-occupied71.8%
Vacant homes4.4%
Median year built1986

What the homes are

Detached house63.6%
Attached house15.5%
2 to 4 units6.8%
5 to 19 units10.7%
20 or more units2.5%
Mobile home0.9%
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$1,127,794as of 2026-07
Typical home value, 1 yearup 1%
Typical home value, 5 yearsup 22.8%
Typical home value, 10 yearsup 63.6%
Typical asking rent$3,208as of 2026-07
Typical asking rent, 1 yearup 3.6%
Typical asking rent, 5 yearsup 22.6%
Typical home value since 2000
200020132026$1,127,794$329,672

$329,672 in 2000 to $1,127,794 in 2026.

Typical asking rent
202120232026$3,208$2,617

$2,617 in 2021 to $3,208 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.6%
Bachelor's degree or higher63.2%
High school diploma or higher98.7%
Works from home25.5%
Drives to work alone66.9%
Takes public transport0.2%
Commutes 45 minutes or more29.9%
Health

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

Obesity21.4% 12 pts below the national average of 33.4%
Diagnosed diabetes8.8% 3.2 pts below the national average of 12%
Currently smokes7.6% 5.6 pts below the national average of 13.2%
High blood pressure28.6% 5.5 pts below the national average of 34.1%
Fair or poor general health13.8% 6.5 pts below the national average of 20.3%
No health insurance (18–64)3.2% 8.1 pts below the national average of 11.3%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity15.3% 10.1 pts below the national average of 25.4%
Arthritis20.7% 4.4 pts below the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication71.6% 3.1 pts below the national average of 74.7%
Cancer (non-skin)8.4% 0.7 pts above the national average of 7.7%
Current asthma9.5% 0.9 pts below the national average of 10.4%
Coronary heart disease4.6% 1.6 pts below the national average of 6.2%
Routine check-up in past year76.5% same as the national average of 76.7%
Cholesterol screening90.5% 4.6 pts above the national average of 85.9%
Cognitive disability9.8% 5 pts below the national average of 14.8%
Colorectal screening66.6% 2.3 pts above the national average of 64.3%
COPD4% 2.6 pts below the national average of 6.6%
Visited a dentist73.8% 12.5 pts above the national average of 61.3%
Any disability22% 8.7 pts below the national average of 30.7%
Lacks emotional support20.1% 4.7 pts below the national average of 24.8%
Food insecurity6.9% 10.2 pts below the national average of 17.1%
Received food stamps5.8% 8.5 pts below the national average of 14.3%
Hearing disability4.9% 1.8 pts below the national average of 6.7%
High cholesterol36.3% same as the national average of 36.2%
Housing insecurity6.7% 7.1 pts below the national average of 13.8%
Independent living disability5.2% 3.2 pts below the national average of 8.4%
Lacks transport4.6% 4.6 pts below the national average of 9.2%
Loneliness29.7% 4.7 pts below the national average of 34.4%
Mammography use78.5% 2.6 pts above the national average of 75.9%
Poor mental health (14+ days)14.1% 2.7 pts below the national average of 16.8%
Mobility disability9.4% 4.6 pts below the national average of 14%
Poor physical health (14+ days)10.2% 3.3 pts below the national average of 13.5%
Self-care disability2.4% 1.6 pts below the national average of 4%
Utility shut-off threat3.6% 5.2 pts below the national average of 8.8%
Sleeps under 7 hours31.4% 5 pts below the national average of 36.4%
Stroke2.4% 1 pts below the national average of 3.4%
All natural teeth lost5% 8 pts below the national average of 13%
Vision disability2.9% 2.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments295
People employed797
Annual payroll$47,574,000
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 76.3% of US census tracts
FEMA ratingRelatively Low to Very High across the 4 census tracts this ZIP code covers
Expected annual loss82.1 out of 100
Community resilience27.5 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.

Wildfire96.3Very High at its worst in this ZIP code
Landslide92.1Relatively Moderate at its worst in this ZIP code
Earthquake90.2Relatively High at its worst in this ZIP code
River flooding82.5Very High at its worst in this ZIP code
Drought38.1Very Low at its worst in this ZIP code
Hail26.4Very Low at its worst in this ZIP code
Heat wave24.3Relatively Low at its worst in this ZIP code
Lightning16.9Relatively Low at its worst in this ZIP code
Strong wind15.3Very Low at its worst in this ZIP code
Tornado14.3Very Low at its worst in this ZIP code
Winter weather7.8Very 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$160,484$96,334$78,538
Income per person$80,193$47,977$43,289
Poverty rate3.3%12%12.4%
Median home value$1,017,100$695,400$303,400
Median gross rent$3,150$1,956$1,348
Homeownership71.8%55.8%65%
Bachelor's degree or higher63.2%36.5%35%
Unemployment rate5.6%6.4%5.2%
Works from home25.5%15.5%13.5%
Born outside the US22.6%26.7%13.9%
Median age41.437.638.7
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 stationWOODLAND HILLS PIERCE COLLEGE, CA US17.7 km away
Rain in a year16 in

Average high and low by month

January69.8°F / 43.1°F3.73 in rain
February70°F / 43.6°F4.62 in rain
March74°F / 45.9°F2.66 in rain
April78°F / 48.1°F0.8 in rain
May82°F / 52.6°F0.36 in rain
June88.5°F / 56.9°F0.06 in rain
July95.1°F / 60.8°F0.04 in rain
August97.4°F / 60.8°F0 in rain
September93.9°F / 58.5°F0.09 in rain
October85.2°F / 52.9°F0.56 in rain
November76.4°F / 46°F0.83 in rain
December68.9°F / 42°F2.66 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 supermarket27% 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%.

Oak Park Unified School District100% 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 vulnerability18more vulnerable than 18% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics26more vulnerable than 26% of US census tracts
Racial and ethnic minority status48more vulnerable than 48% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability7.3 out of 20Below average
Nearby ZIP codes

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

91362 Thousand Oaks, CA5.3 km away
91376 Agoura Hills, CA5.4 km away
91359 Westlake Village, CA5.6 km away
91358 Thousand Oaks, CA6.7 km away
91301 Agoura Hills, CA7 km away
91361 Westlake Village, CA7.8 km away
93065 Simi Valley, CA9 km away
93062 Simi Valley, CA9.5 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.

Ventura County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area5.39 sq mi
Population density2,531 people per sq mi
Latitude, longitude34.1850, -118.7669

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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