Residential delivery area · New York
ZIP Code 11557: Hewlett, NY
ZIP code 11557 uses the postal name Hewlett, New York and lies entirely in Nassau County (Census 2020 ZIP-county file). About 8,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $176,274 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Hewlett (36%), Hewlett Harbor (36%), Hewlett Bay Park (17%) and Woodmere (10%), and 2% in smaller places; under 1% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hewlett · its only residential ZIP
- County
- Nassau County
- Census places
- Hewlett (36%) census-designated place; Hewlett Harbor (36%); Hewlett Bay Park (17%); Woodmere (10%) census-designated place
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NY-4 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 2.0 sq mi · 4,171 people per sq mi
Where is ZIP code 11557?
11557 centers on 40.636°, -73.694° and covers 2.0 square miles of land plus 0.2 of water. It borders 4 ZIP codes: 11598, 11518, 11581, 11563.
The map draws ZIP code areas only. For the streets inside 11557, 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 11557 compare with the rest of Nassau County?
| Measure | 11557 | In Nassau County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 8,504 | 52nd of 70 | 574th of 1,826 |
| Median household income | $176k | 14th of 58 | 47th of 1,081 |
| Median home value | $776k | 27th of 62 | 147th of 1,172 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 92% 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 11557?
The 2020 Census counted 8,659 people in 11557; the ACS, which samples households over 2020-2024, estimates 8,504. Between the 2010 and 2020 censuses its population grew 10.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,504±1,159 (90% margin)
- 2020 Census count
- 8,659+10.7% since 2010 (7,823)
- Households
- 2,641
- Median age
- 39.9
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 11557?
Of the 8,504 people the ACS estimates in 11557, 25.9% are under 18 and 17.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.2%), then Hispanic or Latino (10.0%).
- Under 1825.9%
- 18 to 6456.2%
- 65 and older17.9%
- White, not Hispanic74.2%
- Hispanic or Latino10.0%
- Asian, not Hispanic7.3%
- Black, not Hispanic4.4%
- Other or two or more4.0%
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 11557 earn?
Median household income is $176,274 (ACS 2020-2024), the 14th highest of the 58 ranked ZIP codes in Nassau County. It is not measurably different from 2015-2019 ($156,543 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $176,274±$24,382
- Income per person
- $69,716
- Below the poverty line
- 6.2%
- Unemployed (of the labor force)
- 3.0%
- Adults 25+ with a bachelor's degree
- 70.0%
- Adjusted gross income per tax return, 2022
- $220,2984,070 returns; wages 51% 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 11557?
FHFA's house price index for 11557, built from repeat sales and appraisals of the same homes, rose 87% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +3.8% in 2025.
- Median home value (owners' estimate)
- $776,400
- Median gross rent
- $1,434
- Homes owned by their occupants
- 90.4%
- Housing units
- 2,857
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 11557?
495 business establishments had a location in this ZIP code in 2023, 38 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance92
- Other services (except public administration)66
- Retail trade62
- Professional, scientific, and technical services57
- Real estate and rental and leasing38
- Wholesale trade32
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 11557?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 11598 | Woodmere | 13,599 | $190k | 1.0 mi |
| 11518 | East Rockaway | 10,149 | $117k | 1.4 mi |
| 11581 | Valley Stream | 22,818 | $142k | 1.5 mi |
| 11563 | Lynbrook | 22,899 | $137k | 1.8 mi |
| 11516 | Cedarhurst | 9,112 | $104k | 1.9 mi (near) |
| 11559 | Lawrence | 8,878 | $143k | 2.5 mi (near) |
| 11580 | Valley Stream | 43,092 | $137k | 2.7 mi (near) |
| 11422 | Rosedale | 33,757 | $115k | 2.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.