PlainZIP

Amagansett, NY · standard

ZIP Code 11930

Suffolk County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,343
56/sq mi
$123,257
Median income
$1,881,000
Median home value
83.0%
Bachelor's or higher

The verdict

Amagansett pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 9%
household income, US ZIPs
Top 1%
home value, US ZIPs
56
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11930 against every reporting US ZIP.

ZIP code 11930 is a sparsely populated ZIP (a standard USPS delivery area) in Amagansett, Suffolk County, New York, home to just 1,343 residents across 23.9 square miles, a density of 56 people per square mile, in the New York time zone.

ZIP 11930 skews affluent, with a median household income of $123,257 (33% above the New York average), while per-capita income is $90,751. Poverty here runs at 0.6%, with unemployment measured at 0.0%. Housing costs here run $1,881,000 for a typical home value (397% above the state average), with rent averaging - a month; 82.6% of homes are owner-occupied.

This is a highly-educated ZIP: 83.0% of adults hold a bachelor's degree or higher, the median age is 59.1, and the average commute is -. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 11930 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 11930

Top 5 sectors by establishment count in Amagansett, NY

Which industries have the most business establishments in ZIP 11930.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 11930, Amagansett, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,343

Population

23.9

Area (sq mi)

56

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 11930?

59.1

Median Age

44.2%

Male

55.8%

Female

16.7%

Foreign-Born

White 90.0%
African American 0.1%
Asian 6.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 3.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$123,257

Median Household Income

+33% vs state

$90,751

Per Capita Income

0.6%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 11930 ranks nationally

Amagansett, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$123,257 Top 9% higher than 91% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 96.6%
Bachelor's Degree or Higher 83.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,023

Total Housing Units

327

Occupied Units

1,696

Vacant Units

2.56

Avg Household Size

Occupancy Type

Owner 82.6%
Renter 17.4%

$1,881,000

Median Home Value

+397% vs state

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+0.7%

YoY Change (2021)

430

HPI Index (2000 = 100)

+330%

Total Change Since 2000

Home values in ZIP 11930 have increased 0.7% over the past year (2021). Since 2000, this ZIP has seen +330% cumulative appreciation.

Year Annual Change HPI Index
2015 +0.7% 354
2021 – 430

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2021. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 137 business establishments in ZIP 11930, employing approximately 938 people with a combined annual payroll of $109,747,000.

137

Businesses

938

Employees

$109.7M

Annual Payroll

12

Industry Sectors

Industry Establishments % of Total
Retail trade 27 19.7%
Accommodation and food services 24 17.5%
Professional, scientific, and technical services 15 10.9%
Construction 14 10.2%
Other services (except public administration) 13 9.5%
Real estate and rental and leasing 9 6.6%
Arts, entertainment, and recreation 9 6.6%
Administrative and support and waste management and remediation services 8 5.8%
Finance and insurance 4 2.9%
Health care and social assistance 4 2.9%
Wholesale trade 3 2.2%
Educational services 3 2.2%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 11930 vs 11937 →

ZIP 11930 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 11930 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 11930 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 11930 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
11937 East Hampton, NY 15,398 5.0 mi
11975 Wainscott, NY 408 8.1 mi

More ZIP Codes in Suffolk County

11746 standard
Huntington Station, NY
Pop: 67,094
11706 standard
Bay Shore, NY
Pop: 62,543
11717 standard
Brentwood, NY
Pop: 60,745
11757 standard
Lindenhurst, NY
Pop: 45,700
11772 standard
Patchogue, NY
Pop: 44,837
11743 standard
Huntington, NY
Pop: 42,230

Related Areas

Suffolk County Amagansett, NY New York

Frequently Asked Questions

What county is ZIP code 11930 in? ▼
ZIP code 11930 (Amagansett) is located in Suffolk County, New York. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ny.
What is the population of ZIP code 11930? ▼
ZIP code 11930 in Amagansett, NY has a population of 1,343 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11930? ▼
The median household income in ZIP 11930 is $123,257, which is 62% above the national average of $76,288.
What is the average home value in ZIP 11930? ▼
The median home value in ZIP 11930 is $1,881,000, which is 576% above the national average of $278,155.
What is the demographic makeup of ZIP 11930? ▼
The largest racial group in ZIP 11930 is White at 90.0%. Hispanic or Latino residents make up 3.4% of the population.
How many businesses are in ZIP code 11930? ▼
ZIP code 11930 has 137 business establishments employing approximately 938 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11930? ▼
The top industries by establishment count in ZIP 11930 are: Retail trade (27), Accommodation and food services (24), Professional, scientific, and technical services (15). There are 12 industry sectors represented in total.
How have home values changed in ZIP code 11930? ▼
According to the FHFA House Price Index, home values in ZIP 11930 increased by 0.7% in 2021. Since 2000, home values in this ZIP have appreciated by approximately 330%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 11930? ▼
In ZIP code 11930, 96.6% of residents aged 25+ have a high school diploma or higher, and 83.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 11930? ▼
In ZIP code 11930, approximately 82.6% of occupied housing units are owner-occupied and 17.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11930? ▼
The poverty rate in ZIP code 11930 is 0.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.