📍 View location on OpenStreetMap (40.893620, -73.370090)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 11721 |
| Primary City | Centerport |
| State / Province | NY |
| County | Suffolk |
| Total Population | 6,426 |
| Population Density | 989.0 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 11721 | Suffolk County records | NY records |
|---|---|---|---|
| Population estimate | 6,426 | 1,476,044 (sum) | 19,771,902 (sum) |
| Population Density | 989.0 /sq mi | -- | -- |
| County population rank | #65 of 106 | -- | -- |
| State population rank | #647 of 1,778 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 11740 | Greenlawn | 2.0 mi | 10,127 |
| ZIP 11768 | Northport | 2.6 mi | 22,030 |
| ZIP 11743 | Huntington | 3.1 mi | 43,490 |
| ZIP 11731 | East Northport | 3.5 mi | 29,999 |
| ZIP 11724 | Cold Spring Harbor | 4.7 mi | 3,073 |
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 →