11780 Frequently Asked Questions

A: ZIP Code 11780 is Located in Saint James New York. Portions of 11780 are also in Nissequogue, Head of the Harbor, St. James, Kings Park, Nesconset, Smithtown (town), Brookhaven (town).

A: ZIP Code 11780 is Located Entirely in Suffolk County New York.

A: The Current Sales Tax in ZIP Code 11780 is 8.6%

A: The Area Codes for 11780 are 631 and 934

A: ZIP Code 11780 is in the New York 1st Congressional District.

A: 11780 is within New York State Senate District 4 and New York State Senate District 8.

A: 11780 is within New York State Assembly District 1 and New York State Assembly District 2.

A: The 2022 population of ZIP Code 11780 is 15617. The population growth rate in 11780 is 2.40%.

A: The majority race/ethnicity of people residing in 11780 is White (86.23%). The majority race/ethnicity of students attending public schools in 11780 is White(81.84%).

A: The median household income in 11780 is $139,365 (2021) and the average adjusted income is $237,230 (2020).