11930 ZIP Code — Amagansett, NY

Suffolk County, New York

ZIP code 11930 is located in Amagansett, New York, within Suffolk County. It covers approximately 8.59 square miles and serves a population of 741 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11930

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $1,842,500. Owner-occupancy is high at 88%, well above the national average.

The gap between median ($139,917) and mean household income suggests income inequality — a small number of higher earners pull the average up. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 40 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 65% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11930 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

741

population

8.59

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11930 ZIP code map

Cities in ZIP code 11930

Below are the cities the US Postal Service accepts for ZIP code 11930. Using any city not on this list may result in mail delivery delays.

City	Status
Amagansett	Acceptable

Demographics updated 06/2026

Population
Total population	741
Population density	86 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	8.59 sq mi
Water area	5.56 sq mi
Latitude	40.9922
Longitude	-72.0973
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.7%	22.6%	37.0%
$50k – $100k	21.0%	24.7%	27.0%
$100k – $200k	37.3%	34.6%	24.4%
Over $200k	30.0%	18.0%	11.5%

Demographics & statistics

741

Population

People per sq mi

61.7

Median age

$139,917

Median household income

$113,393

Per capita income

$1,842,500

Median home value

Median monthly rent

88.1%

Home ownership

0.9%

Poverty rate

0.0%

Unemployment

1,995

Housing units

65.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	66	8.9%
18 and over	675	91.1%
65 and over	307	41.4%
Median age	61.7 years

Race & ethnicity

White 88.2%

Hispanic or Latino 4%

Other race 4%

Two or more races 3.4%

Black or African American 0.4%

Group	Count	%
White	681	88.2%
Hispanic or Latino	31	4%
Other race	31	4%
Two or more races	26	3.4%
Black or African American	3	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	11.7%	22.6%	37.0%
$50k – $100k	21.0%	24.7%	27.0%
$100k – $200k	37.3%	34.6%	24.4%
Over $200k	30.0%	18.0%	11.5%

$25k–$35k 6.5%

$35k–$50k 1.7%

$50k–$75k 7.9%

$75k–$100k 13.6%

$100k–$150k 20.4%

$150k–$200k 9.1%

$200k+ 40.8%

Range	% of households
$25k–$35k	6.5%
$35k–$50k	1.7%
$50k–$75k	7.9%
$75k–$100k	13.6%
$100k–$150k	20.4%
$150k–$200k	9.1%
$200k+	40.8%
Median income	$139,917

Housing

Home values

$500k–$1M 17.4%

$1M+ 82.6%

Housing overview

Metric	Value
Median home value	$1,842,500
Median rent / month	$0
Owner occupied	88.1%
Renter occupied	11.9%
Vacant	82.7%
Single-family detached	92.3%
Large apartment buildings	1.7%
Mobile homes	2.8%
Median rooms	6.8
Avg household size (owned)	1.93

Year built

Era	%
2020 or later	0.0%
2010–2019	5.0%
2000–2009	13.3%
1990–1999	21.6%
1980–1989	16.0%
1970–1979	14.9%
1960–1969	5.4%
1950–1959	2.6%
1940–1949	2.2%
1939 or earlier	19.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	11.7%
2 bedrooms	4.4%
3 bedrooms	46.1%
4 bedrooms	32.3%
5+ bedrooms	5.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	20.1%
2 vehicles	46.7%
3 or more	33.1%

Heating fuel

Fuel type	%
Utility gas	9.6%
Electricity	3.7%
Propane / LP gas	28.0%
Fuel oil	58.6%

Households & families

Household type	Count	%
Married-couple family	181	51.3%
Cohabiting couple	10	2.8%
Male householder, no spouse	71	20.1%
Female householder, no spouse	91	25.8%
Households with children under 18	41	11.6%
Households with seniors (65+)	231	65.4%
Average household size	2.07

Marital status

Status	Male	Female
Never married	14.7%	13.1%
Married	68.2%	63.8%
Separated	0.0%	1.5%
Widowed	3.8%	9.5%
Divorced	13.3%	12.1%

Education

Less than 9th grade 0.3%

Some HS, no diploma 0.0%

HS graduate 18.6%

Some college, no degree 4.2%

Associate's degree 12.0%

Bachelor's degree 32.9%

Graduate / professional 32.1%

Metric	%
HS diploma or higher	99.7%
Bachelor's or higher	65.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	9	9.7%
Elementary school	48	51.6%
High school	0	0.0%
College / grad school	36	38.7%

Employment

Industry of employment

Professional & management 37.8%

Education & healthcare 22.5%

Agriculture & mining 8.8%

Construction 7.8%

Retail trade 7.8%

Public administration 6.2%

Arts, food & hospitality 5.1%

Finance & real estate 4.0%

Occupation

Category	%
Management, business & arts	52.3%
Service	18.8%
Sales & office	7.5%
Natural resources & construction	14.7%
Production & transportation	6.7%

Employment type

Type	%
Private sector	62.5%
Government	28.7%
Self-employed	8.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	91.4%
Carpool	0.0%
Public transit	0.0%
Walk	7.5%
Work from home	1.1%
Other means	0.0%
Avg commute (minutes)	39.6

Poverty

All people 0.9%

Under 18 years 0.0%

18 and over 1.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	35.4%
Retirement income	33.7%
Supplemental Security	0.0%
Cash public assistance	1.7%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	26.0%
High blood pressure	34.8%
High cholesterol	36.2%
Diabetes	10.0%
Heart disease	7.7%
Stroke	3.2%
Asthma	8.9%
Arthritis	25.6%
Kidney disease	3.3%
Pulmonary disease	6.9%
Cancer	9.5%

Behavior / access	%
Smoking	12.8%
Binge drinking	15.1%
No physical activity	22.9%
Less than 7 hrs sleep	31.4%
Depression	15.5%
Fair or poor health	11.7%
Poor mental health	11.3%
Poor physical health	9.3%
No health insurance	10.4%
Visited doctor (checkup)	81.5%
Visited dentist	71.0%
Cholesterol screening	94.4%
Teeth loss	10.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	21	3.1%

Disability	%
Any disability	6.7%
Under 18	27.3%
18–64 years	0.0%
65 and over	10.4%

Health insurance coverage

Type	%
Private insurance	91.6%
Public insurance	41.6%
No insurance	0.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	723	97.6%
Spanish	14	1.9%
Other Indo-European	14	1.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	650	87.7%
Born in same state	626	84.5%
Born in different state	542	73.1%
Foreign born	24	3.2%
Naturalized citizen	91	12.3%
Not a US citizen	73	80.2%

Ancestry

Ancestry	Count	%
French	99	13.4%
Arab	67	9%

Ancestry	Count	%
Italian	41	5.5%
German	13	1.8%

Technology access

Metric	% of households
Computer access	47.6%
Internet access	96.3%

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

Frequently asked questions about ZIP code 11930

What city is ZIP code 11930 in?

ZIP code 11930 is primarily assigned to Amagansett, New York.

What county is ZIP code 11930 in?

ZIP code 11930 falls within Suffolk County, New York.

Does ZIP code 11930 have an older population?

41% of residents in ZIP code 11930 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 11930?

65% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11930 mostly owner-occupied?

88% of occupied units in ZIP code 11930 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11930?

The median household income in ZIP code 11930 is $139,917, above the national median of ~$75,000.

What timezone is ZIP code 11930 in?

ZIP code 11930 observes the EST timezone.