Residential delivery area · New York
ZIP Code 11730: East Islip, NY
ZIP code 11730 is in East Islip, New York, entirely in Suffolk County (Census 2020 ZIP-county file). About 14,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $145,652 (Census Bureau, ACS 2020-2024). By Census place, its land lies in East Islip (88%) and Great River (12%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- East Islip · its only residential ZIP
- County
- Suffolk County
- Census places
- East Islip (88%) census-designated place; Great River (12%) census-designated place
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NY-2 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 4.5 sq mi · 3,169 people per sq mi
Where is ZIP code 11730?
11730 centers on 40.728°, -73.185° and covers 4.5 square miles of land plus 0.5 of water. It borders 4 ZIP codes: 11739, 11751, 11752, 11769.
The map draws ZIP code areas only. For the streets inside 11730, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 11730 compare with the rest of Suffolk County?
| Measure | 11730 | In Suffolk County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 14,247 | 42nd of 108 | 419th of 1,826 |
| Median household income | $146k | 28th of 81 | 121st of 1,081 |
| Median home value | $594k | 51st of 88 | 301st of 1,172 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 89% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 11730?
The 2020 Census counted 14,523 people in 11730; the ACS, which samples households over 2020-2024, estimates 14,247. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 14,247
- 2020 Census count
- 14,523
- Households
- 4,994
- Median age
- 43.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 11730?
Of the 14,247 people the ACS estimates in 11730, 18.2% are under 18 and 20.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.7%), then Hispanic or Latino (13.0%).
- Under 1818.2%
- 18 to 6460.9%
- 65 and older20.9%
- White, not Hispanic80.7%
- Hispanic or Latino13.0%
- Other or two or more3.0%
- Black, not Hispanic2.0%
- Asian, not Hispanic1.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 11730 earn?
Median household income is $145,652 (ACS 2020-2024), the 28th highest of the 81 ranked ZIP codes in Suffolk County.
- Median household income
- $145,652±$17,912
- Income per person
- $62,048
- Below the poverty line
- 4.9%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 43.0%
- Adjusted gross income per tax return, 2022
- $122,4187,820 returns; wages 69% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 11730?
FHFA's house price index for 11730, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +1.7% in 2025.
- Median home value (owners' estimate)
- $594,200
- Median gross rent
- $2,732
- Homes owned by their occupants
- 84.7%
- Housing units
- 5,169
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 11730?
418 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction64
- Health care and social assistance55
- Retail trade54
- Other services (except public administration)52
- Professional, scientific, and technical services50
- Accommodation and food services38
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 11730?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 11739 | Great River | 1,225 | $164k | 1.5 mi |
| 11751 | Islip | 13,726 | $117k | 1.5 mi |
| 11752 | Islip Terrace | 9,204 | $152k | 2.2 mi |
| 11769 | Oakdale | 8,935 | $124k | 3.2 mi |
| 11706 | Bay Shore | 68,976 | $120k | 3.3 mi (near) |
| 11722 | Central Islip | 39,033 | $114k | 3.9 mi (near) |
| 11718 | Brightwaters | 3,179 | $218k | 4.1 mi (near) |
| 11716 | Bohemia | 9,659 | $129k | 4.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.