Zip Code 11733 — East Setauket, NY
11733 is a ZIP Code associated with East Setauket, NY, located within Suffolk. 11733 ranks #30 out of 108 ZIP codes in Suffolk County by population (and #362 out of 1,826 in NY). The area supports an estimated population of 17,752 residents across Data Pending housing units, with a population density of 583.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.937420, -73.105440)
| Data Metric | Local Statistic |
| Postal / Zip Code | 11733 |
| Primary City | East Setauket |
| State / Province | NY |
| County | Suffolk |
| Total Population | 17,752 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 583.8 people/sq mi |
| Timezone | America/New_York |
How 11733 Compares
| Metric | ZIP 11733 | Suffolk County | NY State Average |
| Population | 17,752 | 1,476,044 (Total) | 19,771,902 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 583.8 /sq mi | -- | -- |
| County Pop Rank | #30 of 108 | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
| Zip 11794 | Stony Brook | 1.6 mi | 831 | N/A |
| Zip 11777 | Port Jefferson | 2.4 mi | 9,396 | N/A |
| Zip 11790 | Stony Brook | 2.4 mi | 21,074 | N/A |
| Zip 11776 | Port Jefferson Station | 3.5 mi | 22,808 | N/A |
| Zip 11780 | Saint James | 4.6 mi | 15,018 | N/A |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →