11787 Frequently Asked Questions

A: ZIP Code 11787 is Located in Smithtown New York. Portions of 11787 are also in Commack, Hauppauge, Village of the Branch, Nesconset, Smithtown (town).

A: ZIP Code 11787 is Located Entirely in Suffolk County New York.

A: The Current Sales Tax in ZIP Code 11787 is 8.6%

A: The Area Codes for 11787 are 631 and 934

A: ZIP Code 11787 is in the New York 1st Congressional District.

A: ZIP Code 11787 is in New York State Senate District 8.

A: ZIP Code 11787 is in New York State Assembly District 2.

A: The 2022 population of ZIP Code 11787 is 34408. The population growth rate in 11787 is -1.75%.

A: The majority race/ethnicity of people residing in 11787 is White (88.11%). The majority race/ethnicity of students attending public schools in 11787 is White(78.06%).

A: The median household income in 11787 is $136,182 (2021) and the average adjusted income is $127,830 (2020).