Postal Codes

11771 ZIP Code

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ZIP code 11771 covers Oyster Bay, New York, with a population of about 10,173 and a median household income of $163,134.

Population
10,173938 per square mile
Median age
41.83.1 points above the US average
Median household income
$163,1341.9× the New York median
Poverty rate
8%4.4 points below the US average
Typical home value
$1,349,672up 41.5% in five years
Median rent
$1,9611.2× the New York median
Degree or higher
57.6%22.6 points above the US average
Homeownership
71.8%6.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
438

Where 11771 is

Oyster Bay, New York — 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

Population10,173
Median age41.8
Family households73.4%
Born outside the US14.4%
Speaks a language other than English at home22.5%
White (non-Hispanic)65.9%
Black (non-Hispanic)2.3%
Asian (non-Hispanic)4.8%
Hispanic or Latino21.4%
Veterans2.6%
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$163,134
Income per person$92,279
Poverty rate8%
Households on SNAP or cash assistance2.8%

Household income distribution

Under $10k4.8%
$10–15k1.0%
$15–20k1.1%
$20–25k1.6%
$25–30k1.1%
$30–35k2.1%
$35–40k1.4%
$40–45k0.0%
$45–50k4.2%
$50–60k1.8%
$60–75k6.1%
$75–100k7.8%
$100–125k9.2%
$125–150k4.2%
$150–200k11.0%
$200k or more42.6%

Income as declared to the IRS

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

Tax returns filed5,220
Mean adjusted gross income$330,908
Returns declaring $200,000 or more25.5%
Returns, under $25k20.9%
Returns, $25k–$50k13.0%
Returns, $50k–$75k12.5%
Returns, $75k–$100k8.8%
Returns, $100k–$200k19.3%
Returns, $200k or more25.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$921,300
Median gross rent$1,961
Rent as a share of household income33.4%
Owner-occupied71.8%
Vacant homes8.6%
Median year built1961

What the homes are

Detached house72.9%
Attached house4.8%
2 to 4 units11.9%
5 to 19 units8.9%
20 or more units1.5%
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$1,349,672as of 2026-07
Typical home value, 1 yearup 9.1%
Typical home value, 5 yearsup 41.5%
Typical home value, 10 yearsup 68.1%
Typical home value since 2000
200020132026$1,349,672$477,837

$477,837 in 2000 to $1,349,672 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher57.6%
High school diploma or higher95.5%
Works from home15%
Drives to work alone67.6%
Takes public transport6.3%
Commutes 45 minutes or more26.1%
Health

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

Obesity29.3% 4.1 pts below the national average of 33.4%
Diagnosed diabetes10.1% 1.9 pts below the national average of 12%
Currently smokes8.9% 4.3 pts below the national average of 13.2%
High blood pressure32.9% 1.2 pts below the national average of 34.1%
Fair or poor general health14.7% 5.6 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression14.9% 7 pts below the national average of 21.9%
No leisure-time physical activity22.3% 3.1 pts below the national average of 25.4%
Arthritis25.5% same as the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication81% 6.3 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease6.1% same as the national average of 6.2%
Routine check-up in past year82.5% 5.8 pts above the national average of 76.7%
Cholesterol screening91.4% 5.5 pts above the national average of 85.9%
Cognitive disability9.7% 5.1 pts below the national average of 14.8%
Colorectal screening71.1% 6.8 pts above the national average of 64.3%
COPD5.6% 1 pts below the national average of 6.6%
Visited a dentist70% 8.7 pts above the national average of 61.3%
Any disability24.5% 6.2 pts below the national average of 30.7%
Lacks emotional support21.9% 2.9 pts below the national average of 24.8%
Food insecurity10.4% 6.7 pts below the national average of 17.1%
Received food stamps8.2% 6.1 pts below the national average of 14.3%
Hearing disability6.2% 0.5 pts below the national average of 6.7%
High cholesterol40.6% 4.4 pts above the national average of 36.2%
Housing insecurity9.5% 4.3 pts below the national average of 13.8%
Independent living disability6.3% 2.1 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness29.5% 4.9 pts below the national average of 34.4%
Mammography use76.5% 0.6 pts above the national average of 75.9%
Poor mental health (14+ days)13.5% 3.3 pts below the national average of 16.8%
Mobility disability11.5% 2.5 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability3.1% 0.9 pts below the national average of 4%
Utility shut-off threat5.5% 3.3 pts below the national average of 8.8%
Sleeps under 7 hours39.1% 2.7 pts above the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost7.8% 5.2 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments438
People employed3,151
Annual payroll$203,869,000
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 43.8% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 6 census tracts this ZIP code covers
Expected annual loss65.2 out of 100
Community resilience95.2 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.

Landslide89.6Relatively Low at its worst in this ZIP code
Ice storm84.4Relatively High at its worst in this ZIP code
Hurricane80Relatively Moderate at its worst in this ZIP code
Wildfire69.5Relatively Low at its worst in this ZIP code
Winter weather67.8Relatively High at its worst in this ZIP code
Earthquake66.2Relatively Moderate at its worst in this ZIP code
Coastal flooding63.5Relatively High at its worst in this ZIP code
River flooding62.5Relatively High at its worst in this ZIP code
Strong wind43.1Relatively Moderate at its worst in this ZIP code
Lightning39Relatively Moderate at its worst in this ZIP code
Cold wave34.5Relatively Moderate at its worst in this ZIP code
Heat wave30.8Relatively Low at its worst in this ZIP code
Tornado28.2Relatively Low at its worst in this ZIP code
Drought24.6Relatively Low at its worst in this ZIP code
Hail10Very Low at its worst in this ZIP code
Compared with New York 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 ZIPNew YorkUnited States
Median household income$163,134$84,578$78,538
Income per person$92,279$49,520$43,289
Poverty rate8%13.7%12.4%
Median home value$921,300$403,000$303,400
Median gross rent$1,961$1,576$1,348
Homeownership71.8%54.3%65%
Bachelor's degree or higher57.6%39.6%35%
Unemployment rate5%6.2%5.2%
Works from home15%13.3%13.5%
Born outside the US14.4%22.6%13.9%
Median age41.839.638.7
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 stationCENTERPORT, NY US13.1 km away
Rain in a year49 in

Average high and low by month

January37.9°F / 24.5°F3.72 in rain
February40°F / 25.4°F3.09 in rain
March47.3°F / 31.3°F4.24 in rain
April59.8°F / 40.9°F4.09 in rain
May69.6°F / 50.5°F3.88 in rain
June78.4°F / 60.2°F4.29 in rain
July83.2°F / 65.8°F3.83 in rain
August81.4°F / 65°F4.32 in rain
September74.3°F / 59°F4.67 in rain
October62.6°F / 48.8°F4.26 in rain
November52.2°F / 38.7°F3.48 in rain
December43.1°F / 30.5°F4.64 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 supermarket98% 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 3 school districts, so the address decides which one, not the ZIP code.

Oyster Bay-East Norwich Central School District79.4% of this ZIP code's land area
Locust Valley Central School District17.1% of this ZIP code's land area
Syosset Central School District3.3% 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 vulnerability14more vulnerable than 14% of US census tracts
Socioeconomic status14more vulnerable than 14% of US census tracts
Household characteristics22more vulnerable than 22% of US census tracts
Racial and ethnic minority status40more vulnerable than 40% of US census tracts
Housing type and transport23more vulnerable than 23% of US census tracts
Walkability7.5 out of 20Below average
Nearby ZIP codes

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

11732 East Norwich, NY2.2 km away
11765 Mill Neck, NY3.1 km away
11773 Syosset, NY4.9 km away
11709 Bayville, NY5.4 km away
11560 Locust Valley, NY5.8 km away
11791 Syosset, NY6.1 km away
11724 Cold Spring Harbor, NY7.2 km away
11797 Woodbury, NY7.3 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.

Nassau County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area10.84 sq mi
Water area3.3 sq mi
Population density938 people per sq mi
Latitude, longitude40.8660, -73.5272

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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