Smithtown, NY zip code
Smithtown, New York uses one zip code: 11787. Most of it is in Suffolk County. Together these zip codes are home to about 34K people.
Zip codes
1
Population
34K
All zips combined
Largest zip
11787
34,499 residents
Zip codes in Smithtown
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 11787 | 34,499 | $143,101 |