ZIP Code 11568 — Old Westbury, New York
📍 ZIP code 11568 is in Old Westbury, Nassau County, New York.
ZIP code 11568 is located in Old Westbury, Nassau County, New York. It is a standard zip code in the Eastern Time Zone with an estimated population of 4,198. The area code for zip code 11568 is 516.
ZIP Code 11568 Map
Coordinates: 40.7866°N, 73.5972°W
ZIP Code 11568 Demographics
Population
Income & Economy
Housing
Education
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
Affordability & Profile: ZIP 11568 in Context
The median home in 11568 is valued at more than $2,000,000 (the Census reporting ceiling) against a median household income of more than $250,000 (the Census reporting ceiling), a price-to-income ratio of at least 8.0. That is far above the 2.9 median across the 1,572 New York ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, so buying here on a local median income requires substantial savings or a second income. Within Nassau County, 11568 ranks 63 of 67 ZIPs on affordability (1 = lowest ratio); the county median ratio is 4.9. Renting takes 16.8% of median household income (median rent $3,501 a month), under the 30% cost-burden threshold.
11568 ranks 1 of 1,572 statewide on median household income and 1 of 1,572 on median home value; its income is far above the $149,250 Nassau County median. 94% of households own their home, above the 80% statewide ZIP median, making this a majority-owner ZIP. 76% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 5.2%, below the 9.9% statewide ZIP median and among the lowest in the state. Unemployment stands at 6.4%.
With 483 residents per square mile across 8.7 square miles of land, 11568 is far denser than the statewide ZIP median of 197 (rank 610 of 1,572). This is a low-density pattern of large lots, small towns or scattered subdivisions.
Ratios and ranks are computed from the ACS figures above across the 1,572 New York ZIP codes with published housing data. See the 2026 New York affordability report for the statewide analysis and the methodology for definitions.
Nearby Zip Codes
Cities & Places Served
ZIP code 11568 primarily serves Old Westbury in Nassau County, New York.