County · New York · United States
Suffolk County ZIP codes
107 ZIP codes · 106 cities · FIPS 36103
Key facts
- State
- New York (NY)
- FIPS code
- 36103
- Population
- 1,525,680
- Median household income
- $128,329
- Median age
- 41.7
- Land area
- 911.2 sq mi (2,359.9 km²)
- Population density
- 1,674 / sq mi
- Area codes
- 315, 516, 631, 845, 934
Cities and ZIP codes in Suffolk County (106)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.