Suffolk County, New York Population 2018

Suffolk County, New York's estimated population is 1,492,953 with a growth rate of -0.35% in the past year according to the most recent United States census data. Suffolk County, New York is the 4th largest county in New York.

Year Population Growth Growth Rate
20171,492,953-5,177-0.35%
20161,498,1303,7960.25%
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, New York Population Growth

Population Data via

Population by Race

Race Population
White1,212,079
Black or African American114,292
Some Other Race74,145
Asian56,762
Two or More Races36,846
American Indian and Alaska Native3,499
Native Hawaiian and Other Pacific Islander507

Race Data via US Census (2016 ACS 5-Year Survey)

Suffolk County, New York Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Suffolk County, New York Median Age

40.9


Total

39.3


Male

42.4


Female

Suffolk County, New York Adults

There are 1,164,047 adults, (227,716 of which are seniors) in Suffolk County, New York.

Suffolk County, New York Age Dependency

60.2

Age Dependency Ratio

24.4

Old Age Dependency Ratio

35.8

Child Dependency Ratio

Suffolk County, New York Sex Ratio

Female

760,779

50.78%

Male

737,351

49.22%

Suffolk County, New York Households and Families

Suffolk County, New York Renter vs Owner Occupied by Household Type

Suffolk County, New York Household Types

Type Owner Renter
Married89.2%10.8%
All79.5%20.5%
Male71.4%28.6%
Female66.9%33.1%
Non Family65.2%34.8%

79.5%

Rate of Home Ownership

Suffolk County, New York Households by Type

Type Count Average Size Owned
All489,7582.9979.5
Married281,4483.5889.2
Non Family128,1811.2565.2
Female57,7943.6766.9
Male22,3353.8571.4

3.5

Average Family Size

2.99

Average Household Size

4.4%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Suffolk County, New York Households

Suffolk County, New York Education

Suffolk County, New York Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade47,6574.65%
9th to 12th Grade54,7575.34%
High School Graduate295,80828.86%
Some College181,64417.72%
Associates Degree92,5989.04%
Bachelors Degree192,70818.80%
Graduate Degree159,68815.58%

Suffolk County, New York Educational Attainment by Race

Name Total High School Bachelors
White752,440710,394286,217
Hispanic156,880109,10025,558
Black70,67662,52116,504
Other Race41,91925,7084,904
Asian37,13233,73121,421
Multiple Races16,63911,8923,621
Native American2,1641,735388
Islander399357181

The highest rate of high school graduation is among white people with a rate of 94.41%.

The highest rate of bachelors degrees is among white people with a rate of 57.69%.

Suffolk County, New York Earnings by Educational Attainment

Name Average Male Female
Overall$48,607$56,972$40,272
Less Than High School$25,203$28,971$20,191
High School Grad$37,295$45,622$28,890
Some College$45,654$56,277$36,892
Bachelors Degree$62,349$77,859$50,788
Graduate Degree$85,897$101,751$76,105

$48,607

Average Earnings

$56,972

Average Male

$40,272

Average Female

Suffolk County, New York Language

Suffolk County, New York Language by Age

Suffolk County, New York Language

77.47% of Suffolk County, New York residents speak only English, while 22.53% speak other languages. The largest non-English language is Spanish, which is spoken by 13.93% of the population.

Suffolk County, New York Poverty

Suffolk County, New York Poverty by Race

Name Total In Poverty Poverty Rate
White1,021,80551,7105.06%
Hispanic266,40333,92912.74%
Black109,82314,05212.80%
Other72,12111,03115.30%
Multiple35,0074,62013.20%
Asian52,2834,4738.56%
Native3,48781823.46%
Islander507305.92%

7.25%

Overall Poverty Rate

6.49%

Male Poverty Rate

7.99%

Female Poverty Rate

Poverty in Suffolk County, New York

The race most likely to be in poverty in Suffolk County, New York is Native, with 23.46% below the poverty level.

The race least likely to be in poverty in Suffolk County, New York is White, with 5.06% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.26%. Among those working part-time, it was 7.75%, and for those that did not work, the poverty rate was 13.04%.

Suffolk County, New York Poverty Rate by Education

Name Poverty
Less Than High School16.29%
High School7.94%
Some College5.60%
Bachelors or Greater3.06%

Suffolk County, New York Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed18.04%
Male Unemployed15.89%
Female Employed3.55%
Male Employed2.73%

Suffolk County, New York Income

Suffolk County, New York Income by Household Type

Name Median Mean
Households$90,128$113,853
Families$104,790$128,358
Married Families$118,075$142,713
Non Families$45,738$65,470

Suffolk County, New York Marital Status

Suffolk County, New York Marital Status

Marriage Rates

51.1%

Overall Marriage Rate

53.1%

Male Marriage Rate

49.3%

Female Marriage Rate

Suffolk County, New York Married by Age and Sex

Suffolk County, New York Marriage

The age group where males are most likely to be married is 55To64, while the female age group most likely to be married is 35To44.

Suffolk County, New York Marital Status by Race

Suffolk County, New York Veterans

Suffolk County, New York Veterans by War

70,625

Number of Veterans

67,030

Male Veterans

3,595

Female Veterans

Name Veterans
Vietnam24,614
Korea9,885
First Gulf War6,478
World War II6,180
Second Gulf War5,586

Suffolk County, New York Veterans by Age

Name Veterans
75+23,160
65 to 7420,851
35 to 5411,943
55 to 6411,070
18 to 343,601

Suffolk County, New York Veterans by Race

Name Veterans % of Total
White64,2096.69%
Hispanic4,9402.64%
Black4,2305.01%
Other7581.49%
2 or More7103.34%
Asian5821.32%
Indian1184.71%
Hawaiian184.01%

Suffolk County, New York Veterans by Education

4.58%

Veteran Poverty Rate

24.98%

Veteran Disability Rate

Suffolk County, New York Employment Status

Suffolk County, New York Employment by Age

65.1%

Labor Force Participation

61.1%

Employment Rate

6.1%

Unemployment Rate

Suffolk County, New York Employment by Race

Suffolk County, New York Employment by Education

Population of Cities in Suffolk County, New York

City 2010 Census 2016 Estimated Growth Growth Rate
Lindenhurst2725827074-184-0.68%
Mastic Beach1484314760-83-0.56%
Patchogue11807124496425.44%
Babylon1215912079-80-0.66%
Lake Grove1118811162-26-0.23%
Amityville95009494-6-0.06%
Port Jefferson77457794490.63%
Northport74047342-62-0.84%
Lloyd Harbor36773694170.46%
Islandia33383363250.75%
Southamn310632801745.60%
Brightwaters30983060-38-1.23%
Sag Harbor216922741054.84%
Greenport2201220430.14%
Bellport20842066-18-0.86%
Village of the Branch18111801-10-0.55%
Westhamn Beach17151766512.97%
Nissequogue1746174710.06%
Head of the Harbor14821480-2-0.13%
Huntington Bay14431437-6-0.42%
East Hamn10731114413.82%
Quogue9711001303.09%
Poquott953939-14-1.47%
Old Field918906-12-1.31%
North Haven841884435.11%
Belle Terre790783-7-0.89%
Asharoken654648-6-0.92%
Shoreham53153100.00%
Sagaponack313324113.51%
Ocean Beach818211.23%
West Hamn Dunes555835.45%
Saltaire414100.00%
Dering Harbor111100.00%
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