Zip Code 11777 — Port Jefferson, NY
11777 is a ZIP Code associated with Port Jefferson, NY, located within Suffolk. The postal region supports an estimated population of 9,396 residents across Data Pending housing units, with a population density of 826.0 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.951710, -73.064500)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 11777 |
| Primary City | Port Jefferson |
| State / Province | NY |
| County | Suffolk |
| Total Population | 9,396 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 826.0 people/sq mi |
| Timezone | America/New_York |
How 11777 Compares
| Metric | ZIP 11777 | Suffolk County | NY State Average |
|---|
| Population | 9,396 | 1,476,044 | 19,771,902 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 826.0 /sq mi | -- | -- |
Nearby ZIP Codes
| ZIP Code | City | Distance | Population | Median Income |
|---|
| Zip 11733 | East Setauket | 2.4 mi | 17,752 | N/A |
| Zip 11766 | Mount Sinai | 2.7 mi | 10,750 | N/A |
| Zip 11776 | Port Jefferson Station | 2.8 mi | 22,808 | N/A |
| Zip 11794 | Stony Brook | 3.9 mi | 831 | N/A |
| Zip 11790 | Stony Brook | 4.5 mi | 21,074 | 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 →