ZIP Code 11742

ZIP code 11742 is classified by USPS as a standard delivery area and covers roughly 12.9 square miles in Holtsville, Suffolk County, New York. The area is home to 13,261 residents, producing a population density of 1,024 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 11742 against New York and the nation.

On the economic side, the median household income for ZIP 11742 sits at $125,162 (35% above the New York average), while per-capita income is $55,928. The poverty rate stands at 5.6% and the unemployment rate at 3.1%. On housing, the median home value is $510,200 (35% above the state average) with median rent at $2,400 per month, and 83.6% of occupied units are owner-occupied, a direct signal of whether 11742 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 36.1% of adults hold a bachelor's degree or higher, the median age is 39.3, and the average commute is 31 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 11742 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →