11771 ZIP Code — Oyster Bay, NY

Nassau County, New York

ZIP code 11771 is located in Oyster Bay, New York, within Nassau County. It covers approximately 10.84 square miles and serves a population of 10,068 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 516.

About ZIP code 11771

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $857,700. Owner-occupancy sits near the national average at 73%.

The gap between median ($149,577) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 32% 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. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 61% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11771 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

10,068

population

10.84

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11771 ZIP code map

Cities in ZIP code 11771

Below are the cities the US Postal Service accepts for ZIP code 11771. Using any city not on this list may result in mail delivery delays.

City	Status
Oyster Bay	Acceptable
Oyster Bay	Preferred

Nearby ZIP codes

11765 Mill Neck (1.7 mi) 11732 East Norwich (2.4 mi) 11709 Bayville (2.7 mi) 11560 Locust Valley (3.3 mi) 11791 Syosset (3.5 mi) 11724 Cold Spring Harbor (4 mi) 11545 Glen Head (4.7 mi) 11542 Glen Cove (5 mi) 11797 Woodbury (5 mi) 11753 Jericho (5.7 mi) 11853 Jericho (5.8 mi) 11743 Huntington (5.9 mi)

Demographics updated 05/2026

Population
Total population	10,068
Population density	929 / sq mi
State FIPS	36
County FIPS	059

Geography
Land area	10.84 sq mi
Water area	3.30 sq mi
Latitude	40.8754
Longitude	-73.5282
Timezone	Eastern (ET)
Area code	516

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.8%	20.1%	37.0%
$50k – $100k	22.2%	21.8%	27.0%
$100k – $200k	24.4%	33.1%	24.4%
Over $200k	32.6%	25.0%	11.5%

Demographics & statistics

10,068

Population

929

People per sq mi

41.0

Median age

$149,577

Median household income

$87,706

Per capita income

$857,700

Median home value

$2,000

Median monthly rent

73.1%

Home ownership

7.1%

Poverty rate

4.7%

Unemployment

3,099

Housing units

61.1%

Bachelor's or higher

Age distribution

Male Female

425

Under 5

456

239

5–9

255

184

10–14

198

309

15–19

330

276

20–24

295

628

25–34

673

531

35–44

568

724

45–54

776

369

55–59

396

340

60–64

365

417

65–74

447

283

75–84

303

136

85+

145

← Male

Female →

Age summary

Group	Count	%
Under 18	2,179	21.6%
18 and over	7,889	78.4%
65 and over	1,731	17.2%
Median age	41.0 years

Race & ethnicity

White 73.6%

Hispanic or Latino 8.9%

Two or more races 6.3%

Asian 4.9%

Other race 4.4%

Black or African American 1.9%

Group	Count	%
White	8,135	73.6%
Hispanic or Latino	981	8.9%
Two or more races	695	6.3%
Asian	546	4.9%
Other race	482	4.4%
Black or African American	210	1.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.8%	20.1%	37.0%
$50k – $100k	22.2%	21.8%	27.0%
$100k – $200k	24.4%	33.1%	24.4%
Over $200k	32.6%	25.0%	11.5%

Under $10k 4.5%

$10k–$15k 1.1%

$15k–$25k 1.8%

$25k–$35k 3.2%

$35k–$50k 4.5%

$50k–$75k 9.9%

$75k–$100k 5.1%

$100k–$150k 20.2%

$150k–$200k 8.5%

$200k+ 41.1%

Range	% of households
Under $10k	4.5%
$10k–$15k	1.1%
$15k–$25k	1.8%
$25k–$35k	3.2%
$35k–$50k	4.5%
$50k–$75k	9.9%
$75k–$100k	5.1%
$100k–$150k	20.2%
$150k–$200k	8.5%
$200k+	41.1%
Median income	$149,577

Housing

Home values

Under $50k 1.1%

$50k–$100k 0.1%

$100k–$150k 0.6%

$150k–$200k 1.0%

$200k–$300k 9.5%

$300k–$500k 6.6%

$500k–$1M 38.1%

$1M+ 42.9%

Housing overview

Metric	Value
Median home value	$857,700
Median rent / month	$2,000
Owner occupied	73.1%
Renter occupied	26.9%
Vacant	10.7%
Single-family detached	74.9%
Large apartment buildings	1.6%
Mobile homes	0.0%
Median rooms	7.1
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	0.0%
2010–2019	0.7%
2000–2009	8.0%
1990–1999	5.0%
1980–1989	6.9%
1970–1979	12.9%
1960–1969	20.1%
1950–1959	12.5%
1940–1949	5.3%
1939 or earlier	28.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.3%
1 bedroom	16.2%
2 bedrooms	13.3%
3 bedrooms	27.2%
4 bedrooms	17.7%
5+ bedrooms	23.2%

Vehicles per household

Vehicles	% of households
No vehicle	8.0%
1 vehicle	26.8%
2 vehicles	32.5%
3 or more	32.7%

Heating fuel

Fuel type	%
Utility gas	54.7%
Electricity	4.0%
Propane / LP gas	6.3%
Fuel oil	34.6%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	2,060	56.6%
Cohabiting couple	275	7.6%
Male householder, no spouse	462	12.7%
Female householder, no spouse	843	23.2%
Households with children under 18	1,212	33.3%
Households with seniors (65+)	1,298	35.7%
Average household size	2.76

Marital status

Status	Male	Female
Never married	28.9%	33.6%
Married	57.5%	50.4%
Separated	0.1%	0.1%
Widowed	2.1%	9.5%
Divorced	11.5%	6.4%

Education

Less than 9th grade 0.8%

Some HS, no diploma 3.8%

HS graduate 12.5%

Some college, no degree 13.5%

Associate's degree 8.2%

Bachelor's degree 33.0%

Graduate / professional 28.2%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	61.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	225	10.3%
Kindergarten	65	3.0%
Elementary school	672	30.7%
High school	539	24.6%
College / grad school	687	31.4%

Employment

Industry of employment

Education & healthcare 30.1%

Professional & management 20.2%

Finance & real estate 14.4%

Retail trade 5.8%

Arts, food & hospitality 5.1%

Other services 5.0%

Transportation & utilities 4.3%

Public administration 4.3%

Construction 3.1%

Manufacturing 3.1%

Information 2.5%

Wholesale trade 2.2%

Occupation

Category	%
Management, business & arts	59.5%
Service	13.3%
Sales & office	19.8%
Natural resources & construction	2.5%
Production & transportation	4.8%

Employment type

Type	%
Private sector	77.5%
Government	16.1%
Self-employed	6.1%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	64.5%
Carpool	8.0%
Public transit	8.2%
Walk	2.5%
Work from home	14.3%
Other means	2.5%
Avg commute (minutes)	36.1

Poverty

All people 7.1%

Under 18 years 7.7%

18 and over 7.0%

Married-couple families 3.3%

Female-led households 21.2%

Income support

Source	% of households
Social Security	32.4%
Retirement income	19.4%
Supplemental Security	3.7%
Cash public assistance	2.1%
Food stamps / SNAP	0.6%

Health indicators

Condition	%
Obesity	23.5%
High blood pressure	29.7%
High cholesterol	35.6%
Diabetes	7.6%
Heart disease	5.7%
Stroke	2.4%
Asthma	8.4%
Arthritis	21.3%
Kidney disease	2.6%
Pulmonary disease	5.0%
Cancer	7.6%

Behavior / access	%
Smoking	10.4%
Binge drinking	14.6%
No physical activity	18.6%
Less than 7 hrs sleep	31.6%
Depression	15.2%
Fair or poor health	9.2%
Poor mental health	11.6%
Poor physical health	7.6%
No health insurance	9.4%
Visited doctor (checkup)	80.6%
Visited dentist	74.4%
Cholesterol screening	93.7%
Teeth loss	8.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	247	3.1%

Disability	%
Any disability	7.4%
Under 18	2.1%
18–64 years	5.3%
65 and over	21.3%

Health insurance coverage

Type	%
Private insurance	79.1%
Public insurance	28.3%
No insurance	2.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	9,187	91.2%
Spanish	754	8.2%
Other Indo-European	539	5.9%
Asian & Pacific Islander	79	0.9%
Other languages	102	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,553	85.0%
Born in same state	8,404	83.5%
Born in different state	7,403	73.5%
Foreign born	149	1.5%
Naturalized citizen	1,515	15.0%
Not a US citizen	935	61.7%

Ancestry

Ancestry	Count	%
Italian	1,335	13.3%
Arab	625	6.2%
French	443	4.4%
Irish	207	2.1%
Polish	158	1.6%

Ancestry	Count	%
English	26	0.3%
Dutch	18	0.2%
Norwegian	15	0.1%
German	3	0%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	95.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 11771

What city is ZIP code 11771 in?

ZIP code 11771 is primarily assigned to Oyster Bay, New York.

What county is ZIP code 11771 in?

ZIP code 11771 falls within Nassau County, New York.

How educated is the population of ZIP code 11771?

61% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 11771?

The median household income in ZIP code 11771 is $149,577, above the national median of ~$75,000.

What is the typical home value in ZIP code 11771?

The median home value in ZIP code 11771 is $857,700.

What is the population of ZIP code 11771?

ZIP code 11771 has an estimated population of 10,068 residents, with a density of 929 people per square mile.

What timezone is ZIP code 11771 in?

ZIP code 11771 observes the EST timezone.