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County ProfileNY

Suffolk County

Population: 1,525,920 · 115 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
1,525,920
People
Median age
41.7
Housing
Total households
512,565
Income
Median household income
$130,686
Housing
Total housing units
580,772
Employment
Employment rate
62.4%
Education
Bachelor’s degree or higher
40.2%
Healthcare
Insured population
95.3%
County details
Local time 02:11:53(ET)
NameSuffolk
Total ZIP codes115total
ZIP codes (by type)
90 Standard20 PO Box5 Unique
Area code631, 914, 934
TimezoneEastern Time (ET)
Coordinates40.943554, -72.6922183
Land area910.9 sq miles(2,359.3 km²)

Map of Suffolk county, New York with ZIP codes

Map of Suffolk County, New York and ZIP codes

Cities and Communities in Suffolk County

Compare the largest cities in Suffolk County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Brentwood62,387—1ZIPs
West Babylon43,213$129,5192ZIPs
Coram40,220$105,2201ZIPs
Central Islip36,714$113,7071ZIPs
Commack36,536$169,7921ZIPs
Huntington Station34,878$135,4771ZIPs
Centereach30,980$132,2401ZIPs
Bay Shore29,244$105,6181ZIPs
Deer Park28,837$137,1051ZIPs
Lindenhurst27,148$130,1281ZIPs
West Islip27,048$176,2811ZIPs
Holbrook26,487$144,7601ZIPs
Shirley26,360$112,7881ZIPs
Smithtown25,629$150,6641ZIPs
Medford24,247$128,1921ZIPs
Copiague23,429$127,3691ZIPs
Selden21,262$108,9521ZIPs
Hauppauge20,083$141,3781ZIPs
East Northport20,048$157,6621ZIPs
Huntington19,645$168,0951ZIPs
Melville19,284$159,9224ZIPs
Ronkonkoma18,955$121,6731ZIPs
Holtsville18,937$133,6793ZIPs
Islip18,418$120,9091ZIPs
North Babylon17,927$140,3421ZIPs
Kings Park17,085$121,1361ZIPs
Sayville16,569$147,1201ZIPs
Mastic15,404$94,0341ZIPs
Hampton Bays15,228$134,2161ZIPs
Riverhead14,993$83,0081ZIPs
Farmingville14,983$127,9881ZIPs
Manorville14,317$139,2011ZIPs
Mastic Beach14,199$111,4931ZIPs
East Islip13,931$147,9961ZIPs
Greenlawn13,661$164,4271ZIPs
Rocky Point13,633$127,0241ZIPs
Saint James13,487$142,3681ZIPs
Stony Brook13,467$174,8722ZIPs
Ridge13,271$78,5281ZIPs
Nesconset13,207$152,5001ZIPs
Wyandanch12,990—1ZIPs
Patchogue12,408$107,3061ZIPs
Babylon12,188$140,8201ZIPs
Miller Place11,723$146,4921ZIPs
Mount Sinai11,623$162,1881ZIPs
Lake Grove11,072$118,3111ZIPs
East Setauket10,998$151,6031ZIPs
Middle Island10,546$85,4801ZIPs
Bohemia9,852$125,7811ZIPs
Amityville9,500$106,2851ZIPs
Bayport8,609$147,8181ZIPs
Center Moriches8,046$170,2771ZIPs
Port Jefferson7,962$144,9121ZIPs
Port Jefferson Station7,950$120,7341ZIPs
Wading River7,731$136,5491ZIPs
Oakdale7,430$118,9581ZIPs
Sound Beach7,416$132,0081ZIPs
Northport7,347$146,9211ZIPs
Southold6,040$128,8221ZIPs
Yaphank5,974$108,9711ZIPs
East Moriches5,946$139,2221ZIPs
Calverton5,934$60,4421ZIPs
Centerport5,822$195,3571ZIPs
East Quogue5,557$93,7101ZIPs
Islip Terrace5,323$155,3131ZIPs
Blue Point5,156$154,6251ZIPs
West Sayville4,872$166,3121ZIPs
Southampton4,550$214,0322ZIPs
Mattituck4,322$121,2501ZIPs
Montauk4,318$142,9611ZIPs
Westhampton3,621$119,8861ZIPs
Islandia3,567$116,3131ZIPs
Cutchogue3,437$143,4721ZIPs
Brookhaven3,330$114,8391ZIPs
Brightwaters3,181$218,0001ZIPs
Cold Spring Harbor3,064$250,0011ZIPs
Moriches3,026$78,3591ZIPs
Bridgehampton2,953$139,4861ZIPs
Sag Harbor2,772$129,8211ZIPs
Greenport2,583$81,0941ZIPs
Aquebogue2,547$93,5231ZIPs
Water Mill2,506$186,8751ZIPs
Eastport2,219$119,4531ZIPs
Bellport2,203$146,0831ZIPs
Westhampton Beach2,150$141,2501ZIPs
Great River2,005$136,0711ZIPs
Amagansett1,824$166,8751ZIPs
Remsenburg1,688—1ZIPs
Quogue1,662$89,8961ZIPs
Jamesport1,609$97,0051ZIPs
Shelter Island1,602$165,7341ZIPs
Shelter Island Heights1,601$113,0911ZIPs
East Hampton1,517$106,2501ZIPs
Tuckahoe1,505$80,5001ZIPs
Laurel1,495$138,7261ZIPs
East Marion1,048$102,5001ZIPs
Speonk1,013—1ZIPs
Orient999$94,2611ZIPs
Wainscott904$130,8331ZIPs
Sagaponack770—1ZIPs
Peconic692$116,2501ZIPs
Shoreham561$160,6251ZIPs
South Jamesport454—1ZIPs
Fishers Island424$98,1251ZIPs
New Suffolk403$130,8751ZIPs
Ocean Beach153—1ZIPs
Upton17—1ZIPs

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Suffolk County

Review the most populated postal areas across Suffolk County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
11746Huntington Station$164,58969,040
11706Bay Shore$119,60366,263
11717Brentwood—62,193
11757Lindenhurst$127,88945,157
11772Patchogue$105,24544,459
11743Huntington$183,18741,522
11704West Babylon$129,19540,367
11779Ronkonkoma$112,18038,250
11722Central Islip$114,04937,491
11787Smithtown$143,10135,361
11901Riverhead$85,06130,936
11731East Northport$161,13230,353
11727Coram$103,28729,716
11763Medford$120,78329,055
11725Commack$168,28128,838
11720Centereach$134,89828,623
11729Deer Park$136,93928,569
11701Amityville$117,03327,831
11741Holbrook$144,34627,046
11967Shirley$111,61726,213

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS