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Suffolk County, NY

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Suffolk County, NY
  • Location TypeCounty
  • County SeatRiverhead, NY
  • Population1,493,350
  • Land Area (Square Miles) 912.0499
  • Population Density (Per Square Mile) 1637.4000

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Median Age

% Population African American

% Population Hispanic

% Population White

Population Density
(Persons per Square Mile)

Rural-Urban Continuum


Suggested Data Series

TitleLatest YearLatest ValueLatest Rank
Decennial Census Population (County)20101,493,35024 of 3170
Decennial Census Population Per Square Mile (County)20101,637.4097 of 3170
Percent of African American Population (County)20188.7%880 of 3131
Percent of Hispanic Population (County)201819.8%395 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201311 of 1 - 9
Unemployment Rate (County)20193.7%1516 of 3140
Death Rate (Per 100,000) (County)2016835.302528 of 3105
Percent of Adults Physically Inactive (County)201624.2%2247 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20166.202513 of 3141
Medicare Part D Prescription Enrollment Rate (County)201856.8%873 of 3137
Farmers' Markets (County)20162343 of 2249
Percent of Children Without a Market Within One Mile (County)20157.0%2860 of 3004
Percent of School-age Children in Poverty (County)20188.5%2943 of 3140
Total Public School Expenditures (County)2017$6,493,292,000.008 of 3123
Number of Public Libraries (County)2017569 of 1287
Average Daily Maximum Heat Index (County)201188.332510 of 3103
Percentage of Days with a Good Air Quality Index (County)201978.8%739 of 1006
Second Highest 1-hour Carbon Monoxide Measurement (County)20101.20165 of 195
Greenhouse Gas Direct Emitting Facilities (County)20181628 of 1227
Average Fine Particulate Matter (County)201110.242432 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2017$18,247.81383 of 435
Total Deposits in Banks (County)2016-2017$56,484,990,000.0030 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20107.6%8 of 2773
Attendance to Arts and Culture Events (County)2005923,45630 of 59
Percent of Firms Which are Women Owned (County)201231.4%1543 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201830915 of 1961
Immigrant Households Entering County According to Tax Returns (County)2017-201887165 of 389
Estimated Veteran Population Under 45 Years Old (County)201011,15562 of 3143
Total Planted Acres (County)20193,258.532822 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$6,015,000,000.0040 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$34,437,000,000.0030 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$2,447,000,000.0085 of 2178
Population (County)20501,679,00036 of 3076
Per Capita Total Personal Income (County)2050$303,084.00113 of 3112
Total Employees (County)20501,202,00038 of 3065
Population 18 to 24 Years Old (County)2050141,00038 of 2216
African American Male Population 25 Years Old (County)2050779110 of 2780
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