Nassau County, New York Population 2018

Nassau County, New York's estimated population is 1,369,514 with a growth rate of 0.94% in the past year according to the most recent United States census data. Nassau County, New York is the 6th largest county in New York.

Year Population Growth Growth Rate
20171,369,51412,7130.94%
20161,356,801-9,056-0.66%
20161,365,8572,9990.22%
20151,362,8582,1550.16%
20141,360,7034,2890.32%
20131,356,4144,2830.32%
20121,352,1314,6480.34%
20111,347,4835,5800.42%
20101,341,90354,5554.24%
19901,287,348-34,234-2.59%
19801,321,582-106,498-7.46%
19701,428,080127,9099.84%
19601,300,171627,40693.26%
1950672,765266,01765.40%
1940406,748103,69534.22%
1930303,053176,933140.29%
1920126,12042,19050.27%
191083,93028,48251.37%
190055,4480.00%

Nassau County, New York Population Growth

Population Data via

Population by Race

Race Population
White945,893
Black or African American155,583
Asian118,271
Some Other Race88,759
Two or More Races44,984
American Indian and Alaska Native3,070
Native Hawaiian and Other Pacific Islander241

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

Nassau 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

Nassau County, New York Median Age

41.4


Total

39.6


Male

43.1


Female

Nassau County, New York Adults

There are 1,056,948 adults, (222,515 of which are seniors) in Nassau County, New York.

Nassau County, New York Age Dependency

62.7

Age Dependency Ratio

26.7

Old Age Dependency Ratio

36

Child Dependency Ratio

Nassau County, New York Sex Ratio

Female

698,640

51.49%

Male

658,161

48.51%

Nassau County, New York Households and Families

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

Nassau County, New York Household Types

Type Owner Renter
Married89.1%10.9%
All80.3%19.7%
Female68.9%31.1%
Male68.9%31.1%
Non Family65.1%34.9%

80.3%

Rate of Home Ownership

Nassau County, New York Households by Type

Type Count Average Size Owned
All440,2303.0480.3
Married267,5923.5989.1
Non Family102,5041.2165.1
Female51,4843.5468.9
Male18,6503.7568.9

3.5

Average Family Size

3.04

Average Household Size

3.6%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Nassau County, New York Households

Nassau County, New York Education

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

Education Attained Count Percentage
Less Than 9th Grade44,8214.79%
9th to 12th Grade40,4464.33%
High School Graduate221,89023.74%
Some College147,62215.79%
Associates Degree72,9537.80%
Bachelors Degree223,88823.95%
Graduate Degree183,14519.59%

Nassau County, New York Educational Attainment by Race

Name Total High School Bachelors
White611,052582,018294,946
Hispanic131,46694,19027,046
Black102,11891,58931,408
Asian80,50672,89649,742
Other Race53,38234,9647,237
Multiple Races21,72315,5825,573
Native American1,8831,438449
Islander16315046

The highest rate of high school graduation is among white people with a rate of 95.25%.

The highest rate of bachelors degrees is among white people with a rate of 61.79%.

Nassau County, New York Earnings by Educational Attainment

Name Average Male Female
Overall$52,105$63,382$42,547
Less Than High School$22,849$27,190$17,006
High School Grad$36,097$43,841$28,023
Some College$46,037$56,224$37,343
Bachelors Degree$66,225$81,551$52,720
Graduate Degree$84,400$103,927$72,717

$52,105

Average Earnings

$63,382

Average Male

$42,547

Average Female

Nassau County, New York Language

Nassau County, New York Language by Age

Nassau County, New York Language

72.00% of Nassau County, New York residents speak only English, while 28.00% speak other languages. The largest non-English language is Spanish, which is spoken by 12.74% of the population.

Nassau County, New York Poverty

Nassau County, New York Poverty by Race

Name Total In Poverty Poverty Rate
White832,75130,9233.71%
Hispanic214,93027,66612.87%
Black151,54814,3739.48%
Other87,26214,22316.30%
Multiple44,1365,84913.25%
Asian117,3145,4994.69%
Native3,06034411.24%
Islander241135.39%

6.00%

Overall Poverty Rate

5.40%

Male Poverty Rate

6.58%

Female Poverty Rate

Poverty in Nassau County, New York

The race most likely to be in poverty in Nassau County, New York is Other, with 16.30% below the poverty level.

The race least likely to be in poverty in Nassau County, New York is White, with 3.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.16%. Among those working part-time, it was 6.92%, and for those that did not work, the poverty rate was 10.40%.

Nassau County, New York Poverty Rate by Education

Name Poverty
Less Than High School14.55%
High School6.98%
Some College4.49%
Bachelors or Greater2.53%

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

Name Poverty
Female Unemployed14.28%
Male Unemployed13.11%
Female Employed3.10%
Male Employed2.49%

Nassau County, New York Income

Nassau County, New York Income by Household Type

Name Median Mean
Households$102,044$133,541
Families$118,959$150,872
Married Families$133,270$167,286
Non Families$46,686$69,052

Nassau County, New York Marital Status

Nassau County, New York Marital Status

Marriage Rates

53.2%

Overall Marriage Rate

56.0%

Male Marriage Rate

50.7%

Female Marriage Rate

Nassau County, New York Married by Age and Sex

Nassau 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.

Nassau County, New York Marital Status by Race

Nassau County, New York Veterans

Nassau County, New York Veterans by War

51,272

Number of Veterans

49,205

Male Veterans

2,067

Female Veterans

Name Veterans
Vietnam17,496
Korea8,644
World War II7,004
Second Gulf War3,516
First Gulf War3,469

Nassau County, New York Veterans by Age

Name Veterans
75+21,217
65 to 7415,421
35 to 546,393
55 to 646,062
18 to 342,179

Nassau County, New York Veterans by Race

Name Veterans % of Total
White45,0145.98%
Black4,0243.36%
Hispanic2,8781.86%
Asian9551.06%
Other6651.05%
2 or More4561.68%
Indian1345.79%
Hawaiian2411.48%

Nassau County, New York Veterans by Education

3.09%

Veteran Poverty Rate

27.33%

Veteran Disability Rate

Nassau County, New York Employment Status

Nassau County, New York Employment by Age

65.2%

Labor Force Participation

61.4%

Employment Rate

5.8%

Unemployment Rate

Nassau County, New York Employment by Race

Nassau County, New York Employment by Education

Population of Cities in Nassau County, New York

City 2010 Census 2016 Estimated Growth Growth Rate
Hempstead540015555515542.88%
Freeport42848432794311.01%
Valley Stream37363376733100.83%
Long Beach33327337173901.17%
Glen Cove26952273413891.44%
Rockville Centre24042245715292.20%
Garden City22315225452301.03%
Lynbrook1948119567860.44%
Mineola18854192453912.07%
Massapequa Park17006172021961.15%
Floral Park1588415951670.42%
Westbury15039153843452.29%
Great Neck10066102181521.51%
New Hyde Park97769863870.89%
East Rockaway97449802580.60%
Farmingdale820788576507.92%
Malverne85128544320.38%
Williston Park72587289310.43%
East Hills694671732273.27%
Great Neck Plaza671570032884.29%
Bayville66686751831.24%
Cedarhurst65856667821.25%
Manorhaven645466511973.05%
Lawrence643765581211.88%
North Hills5181581463312.22%
Kings Point508152131322.60%
Sea Cliff50285054260.52%
Flower Hill462648171914.13%
Island Park464747991523.27%
Old Westbury47084743350.74%
Muttontown349936751765.03%
Brookville347435961223.51%
Port Washington North31793228491.54%
Lake Success298431071234.12%
Sands Point278128861053.78%
Roslyn27902856662.37%
Great Neck Estates27612836752.72%
Munsey Park27112728170.63%
Thomaston27092727180.66%
East Williston25602577170.66%
Oyster Bay Cove22212276552.48%
Old Brookville21122204924.36%
Laurel Hollow19482038904.62%
Stewart Manor1964196950.25%
Atlantic Beach18881908201.06%
South Floral Park17701800301.69%
Lattingtown17411789482.76%
Upper Brookville17071762553.22%
Plandome13711441705.11%
Hewlett Harbor1269127890.71%
Roslyn Estates12321245131.06%
Kensington11491175262.26%
Bellerose1166117150.43%
Roslyn Harbor10431098555.27%
Baxter Estates10471059121.15%
Plandome Heights10051023181.79%
Mill Neck945969242.54%
Russell Gardens94495060.64%
Saddle Rock879940616.94%
Plandome Manor873888151.72%
Matinecock81882791.10%
Woodsburgh77677930.39%
Hewlett Neck451480296.43%
Hewlett Bay Park409437286.85%
Centre Island410408-2-0.49%
Cove Neck294308144.76%
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