Suffolk County Population 2018

Suffolk County's estimated population is 1,492,953 with a growth rate of -0.09% in the past year according to the most recent United States census data. Suffolk County is the 4th largest county in New York.

Year Population Growth Growth Rate
20171,492,953-1,381-0.09%
20161,494,334-4,613-0.31%
20151,498,947-1,691-0.11%
20141,500,638-465-0.03%
20131,501,1031,8310.12%
20121,499,272-802-0.05%
20111,500,0745,3850.36%
20101,494,689172,82513.07%
19901,321,86437,6332.93%
19801,284,231159,28114.16%
19701,124,950458,16668.71%
1960666,784390,655141.48%
1950276,12978,77439.91%
1940197,35536,30022.54%
1930161,05550,80946.09%
1920110,24614,10814.67%
191096,13818,55623.92%
190077,58215,09124.15%
189062,4918,60315.96%
188053,8886,96414.84%
187046,9243,6498.43%
186043,2756,35317.21%
185036,9224,45313.71%
184032,4695,68921.24%
183026,7802,50810.33%
182024,2723,15914.96%
181021,1131,3786.98%
180019,7353,29520.04%
179016,4400.00%

Suffolk County Population Growth

Population Data via

Suffolk County Race Data

Race Population Percentage
White1,273,72685.32%
Black or African American125,8678.43%
Asian60,5564.06%
Two or More Races27,6381.85%
American Indian and Alaska Native8,8180.59%
Native Hawaiian and Other Pacific Islander1,2980.09%

Suffolk County Population Pyramid

0k10k20k30k40k50k60k Male Population0k10k20k30k40k50k60k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990