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ZipCityLookup
City Profile

Smithtown, New York

Population: 25,629 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
25,629
People
Median age
47
Housing
Total households
8,033
Income
Median household income
$150,664
Housing
Total housing units
8,235
Employment
Employment rate
64.1%
Education
Bachelor’s degree or higher
51.2%
Healthcare
Insured population
97.9%
City details
Local time 03:47:43(ET)
LocationSmithtown, NY
Population (ZIP areas)35,361(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountySuffolk
Area code
631934
TimezoneEastern Time (ET)
Coordinates40.8529237, -73.2112601
Land area14.9 sq miles(38,587,513 m²)

Map of Smithtown, New York with ZIP codes

Map of Smithtown, New York and ZIP codes

ZIP Codes in Smithtown

Explore the ZIP codes that make up Smithtown. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
11787Standard$143,10135,361

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Smithtown, NY.

Hauppauge, NYKings Park, NYNesconset, NYCommack, NYIslandia, NYSaint James, NYCentral Islip, NYLake Grove, NY

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS