Census place · GEOID 3667851 · Suffolk County
Smithtown, NY ZIP codes
3 ZIP/ZCTAs intersecting this Census place (CDP) in Suffolk County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Smithtown (GEOID 3667851). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 67,902 (3 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Smithtown, NY
ZIP/ZCTA overlap with Smithtown
Population overlap
Share of each ZIP/ZCTA’s population located within Smithtown, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Smithtown
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 11754 | Kings Park | Suffolk County | 17,660 | $123,406 |
| 11780 | Saint James | Suffolk County | 15,586 | $141,576 |
| 11787 | Smithtown | Suffolk County | 34,656 | $141,505 |
USPS associates these ZIPs with Smithtown
These codes list Smithtown as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 11788 | Hauppauge | Suffolk County | 17,092 | $148,946 |