State: New York
County: Suffolk County
Close cities: Lake Grove, NY, Nesconset, NY, Head of the Harbor, NY, Fort Salonga, NY, Kings Park, NY, Hauppauge, NY, St. James, NY, Islandia, NY, Nissequogue, NY, Commack, NY, Village of the Branch, NY
Smithtown Population (census data)| Total | 27,457 |
| Male | 13,241 (48.2%) |
| Female | 14,216 (51.8%) |
Population Density: 2,312 people per sq. mile
Cost of Living Index: 146.4 (US Avg is 100)
Smithtown Elevation: 73 feet above sea level
Land Area: 11.9 square miles
Median Household Income: $103,877
Zip Codes:
11787.