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 Moderate-density area
- $123,257
- Median income Above-median income area
- $1,881,000
- Median home value Above-median home value
- 83.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average New York ZIP), while per-capita income is $90,751. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.6% and unemployment is 0.0%. Housing is both higher-cost and owner-heavy: median home value is $1,881,000 (397% above the average New York ZIP), while 82.6% of occupied 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 -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Suffolk County, so 11930 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
27 establishments
- Accommodation and food services
Accommodation and food services
24 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
15 establishments
- Construction
Construction
14 establishments
- Other services (except public administration)
Other services (except public administration)
13 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, 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
Who lives in ZIP 11930?
59.1
Median Age
44.2%
Male
55.8%
Female
16.7%
Foreign-Born
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 ZIP avg
$90,751
Per Capita Income
0.6%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 11930 ranks among New York ZIPs
Amagansett, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$123,257 Top 18% higher than 82% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,023housing units
2,023
Total Housing Units
327
Occupied Units
1,696
Vacant Units
2.56
Avg Household Size
Occupancy Type
$1,881,000
Median Home Value
+397% vs state ZIP avg
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.
- 11937
East Hampton (11937)
15,398 residents
- 11930 1,343
Amagansett (11930)
1,343 residents
- 11975 408
Wainscott (11975)
408 residents
What this shows Among its immediate neighbors, ZIP 11930 ranks #2 by population - useful context the national average alone can't give.
ZIP 11930 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 11975
Wainscott (11975)
$131,042 median income
- 11937
East Hampton (11937)
$129,883 median income
- 11930
Amagansett (11930)
$123,257 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 11930, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,343 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Suffolk County
Related Areas
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.
Related
Take this with you
What to do with ZIP 11930's numbers, next.
- See how ZIP 11930 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Amagansett, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.