Residential delivery area · New York
ZIP Code 11590: Westbury, NY
ZIP code 11590 uses the postal name Westbury, New York and lies entirely in Nassau County (Census 2020 ZIP-county file). About 48,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $152,960 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Westbury (35%), Salisbury (26%), New Cassel (22%) and Uniondale (9%), and 8% in smaller places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Westbury · its only residential ZIP
- County
- Nassau County
- Census places
- Westbury (35%); Salisbury (26%) census-designated place; New Cassel (22%) census-designated place; Uniondale (9%) census-designated place
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House districts
- NY-3 (71%), NY-4 (29%) 119th Congress, by share of land
- State
- New York
- Time zone
- Eastern
- Land area
- 6.7 sq mi · 7,100 people per sq mi
Where is ZIP code 11590?
11590 centers on 40.755°, -73.574° and covers 6.7 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 11514, 11568, 11554, 11801, 11753, 11756, 11530.
The map draws ZIP code areas only. For the streets inside 11590, 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 11590 compare with the rest of Nassau County?
| Measure | 11590 | In Nassau County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 47,599 | 3rd of 70 | 95th of 1,826 |
| Median household income | $153k | 29th of 58 | 98th of 1,081 |
| Median home value | $634k | 48th of 62 | 264th of 1,172 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 96% 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 11590?
The 2020 Census counted 47,838 people in 11590; the ACS, which samples households over 2020-2024, estimates 47,599. Between the 2010 and 2020 censuses its population grew 4.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 47,599
- 2020 Census count
- 47,838+4.5% since 2010 (45,768)
- Households
- 15,255
- Median age
- 42.3
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 11590?
Of the 47,599 people the ACS estimates in 11590, 20.4% are under 18 and 18.4% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (37.3%), then White (not Hispanic) (31.0%).
- Under 1820.4%
- 18 to 6461.2%
- 65 and older18.4%
- Hispanic or Latino37.3%
- White, not Hispanic31.0%
- Black, not Hispanic15.1%
- Asian, not Hispanic12.8%
- Other or two or more3.8%
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 11590 earn?
Median household income is $152,960 (ACS 2020-2024), the 29th highest of the 58 ranked ZIP codes in Nassau County. It rose from $131,238 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $152,960
- Income per person
- $60,709
- Below the poverty line
- 5.0%
- Unemployed (of the labor force)
- 3.4%
- Adults 25+ with a bachelor's degree
- 39.9%
- Adjusted gross income per tax return, 2022
- $88,02726,130 returns; wages 70% 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 11590?
FHFA's house price index for 11590, built from repeat sales and appraisals of the same homes, rose 88% from 2015 to 2025 and rose 45% from 2020 to 2025, and moved +4.6% in 2025.
- Median home value (owners' estimate)
- $633,800
- Median gross rent
- $2,170
- Homes owned by their occupants
- 76.7%
- Housing units
- 15,606
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 11590?
1,741 business establishments had a location in this ZIP code in 2023, 35 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction213
- Professional, scientific, and technical services206
- Health care and social assistance197
- Retail trade192
- Administrative and support and waste management and remediation services180
- Other services (except public administration)171
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 11590?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 11514 | Carle Place | 4,544 | $152k | 2.1 mi |
| 11568 | Old Westbury | 4,144 | $250k+ | 2.5 mi |
| 11554 | East Meadow | 36,821 | $134k | 2.6 mi |
| 11801 | Hicksville | 41,585 | $146k | 2.7 mi |
| 11753 | Jericho | 12,435 | $176k | 3.0 mi |
| 11756 | Levittown | 42,665 | $146k | 3.7 mi |
| 11530 | Garden City | 27,939 | $228k | 3.8 mi |
| 11556 | Uniondale | 0 | – | 2.5 mi (near) |
| 11549 | Hempstead | 2,359 | – | 2.8 mi (near) |
| 11501 | Mineola | 21,641 | $138k | 3.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.