Nassau County, New York Population 2022

Nassau County, New York's estimated population is 1,355,090 with a growth rate of -0.04% in the past year according to the most recent United States census data. Nassau County, New York is the 7th largest county in New York. The 2010 Population was 1,341,670 and has seen a growth of 1.00% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
190055,4480.00%
191083,93028,48251.37%
1920126,12042,19050.27%
1930303,053176,933140.29%
1940406,748103,69534.22%
1950672,765266,01765.40%
19601,300,170627,40593.26%
19701,428,080127,9109.84%
19801,321,580-106,500-7.46%
19901,287,350-34,230-2.59%
20101,341,67054,3204.22%
20111,346,2204,5500.34%
20121,349,6203,4000.25%
20131,352,1902,5700.19%
20141,354,7002,5100.19%
20151,354,8401400.01%
20161,355,9501,1100.08%
20171,357,2901,3400.10%
20181,357,5302400.02%
20191,356,920-610-0.04%
20201,356,310-610-0.04%
20211,355,700-610-0.04%
20221,355,090-610-0.04%
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Nassau County, New York Population Growth

Population by Race

Race Population Percentage
White898,92266.31%
Black or African American157,72411.63%
American Indian and Alaska Native3,4730.26%
Asian139,46210.29%
Native Hawaiian and Other Pacific Islander3450.03%
Some Other Race96,2267.10%
Two or More Races59,5314.39%
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Nassau County, New York Population by Race

Nassau County, New York Population Pyramid 2022

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Nassau County, New York Median Age

41.9


Total

40.2


Male

43.5


Female

Nassau County, New York Adults

There are 1,063,147 adults, (241,563 of whom are seniors) in Nassau County, New York.

Nassau County, New York Age Dependency

Age Dependency Ratio

29.4

Old Age Dependency Ratio

35.6

Child Dependency Ratio

Nassau County, New York Sex Ratio

Female

695,183

51.28%

Male

660,500

48.72%

Nassau County, New York Population by Age

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

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Nassau County, New York Household Types

Type Owner Renter
Married89.6%10.4%
All81.1%18.9%
Male70.6%29.4%
Female70%30%
Non Family66.3%33.7%

81.1%

Rate of Home Ownership

Nassau County, New York Households and Families

Type Count Average Size Owned
All449,9672.9781.1
Married273,4713.5289.6
Male20,5143.3670.6
Female52,3273.470
Non Family103,6551.2266.3

3.41

Average Family Size

2.97

Average Household Size

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Nassau County, New York Households by Type

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Education Attained Count Percentage
Less Than 9th Grade43,5274.61%
9th to 12th Grade36,3283.84%
High School Graduate208,04822.01%
Some College139,66514.78%
Associates Degree75,7838.02%
Bachelors Degree242,06225.61%
Graduate Degree199,68721.13%
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Nassau County, New York Educational Attainment by Sex (over 25)

Nassau County, New York Educational Attainment by Race

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Race Total High School Bachelors
Asian94,94288,02261,627
White585,571561,005302,568
2+ Races31,87426,52511,415
Black108,12298,60036,349
Hispanic142,184104,90434,826
Native American2,0691,594502
Other Race60,31741,53410,957
Islander21015626

The highest rate of high school graduation is among white people with a rate of 95.80%.

The highest rate of bachelors degrees is among asian people with a rate of 64.91%.

Nassau County, New York Educational Attainment by Race

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Name Average Male Female
Overall$61,613$73,308$50,987
Less Than 9th Grade$29,084$35,703$20,719
High School Graduate$40,408$51,103$30,770
Some College$51,608$63,967$41,376
Bachelors Degree$76,513$92,862$61,642
Graduate Degree$94,141$109,429$83,138

$61,613

Average Earnings

$73,308

Average Male

$50,987

Average Female

Nassau County, New York Earnings by Educational Attainment

Nassau County, New York Language by Age

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Nassau County, New York Language

71.18% of Nassau County, New York residents speak only English, while 28.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 12.84% of the population.

Nassau County, New York Language

Nassau County, New York Poverty by Race

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Name Total In Poverty Poverty Rate
Native3,43056016.33%
Hispanic227,12522,4939.90%
Multiple58,4934,3787.48%
Black153,41211,4327.45%
Asian138,3256,2014.48%
White789,07629,4703.73%
Islander342102.92%
Other12,707NaN%

5.41%

Overall Poverty Rate

4.69%

Male Poverty Rate

6.08%

Female Poverty Rate

Poverty in Nassau County, New York

The race most likely to be in poverty in Nassau County, New York is Native, with 16.33% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 1.06%. Among those working part-time, it was 6.18%, and for those that did not work, the poverty rate was 10.64%.

Nassau County, New York Poverty

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Name Poverty
Less Than 9th Grade15.40%
High School6.68%
Some College4.33%
Bachelors or Greater2.37%

Nassau County, New York Poverty Rate by Education

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Rate Poverty
Male Employed2.09%
Male Unemployed11.22%
Female Employed2.74%
Female Unemployed8.20%

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

Nassau County, New York Income by Household Type

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Name Median Mean
Households$120,036$158,190
Families$139,459$178,662
Married Families$156,418$197,830
Non Families$54,188$79,703
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Income by Household Type

Nassau County, New York Marital Status

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Marriage Rates

54.0%

Overall Marriage Rate

56.9%

Male Marriage Rate

51.4%

Female Marriage Rate

Nassau County, New York Married by Age and Sex

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Nassau County, New York Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Nassau County, New York Marital Status by Race

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Nassau County, New York Marital Status

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40,381

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War4,601
First Gulf War3,826
Vietnam14,033
Korea5,664
World War II3,233

Nassau County, New York Veterans by War

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Age Group Veterans
18 to 342,059
35 to 545,557
55 to 644,210
65 to 7411,239
75+17,316

Nassau County, New York Veterans by Age

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Name Veterans % of Total
White33,7774.68%
Black3,4012.74%
Native American993.96%
Asian9680.92%
Islander124.41%
Other Race8501.21%
2+ Races1,2743.37%
Hispanic3,2401.96%

Nassau County, New York Veterans by Race

Nassau County, New York Veterans by Education

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3.69%

Veteran Poverty Rate

28.90%

Veteran Disability Rate

Nassau County, New York Veterans by Education

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65.1%

Labor Force Participation

62.3%

Employment Rate

4.1%

Unemployment Rate

Nassau County, New York Employment by Age

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Nassau County, New York Employment by Race

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Nassau County, New York Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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70.22%

Born in Nassau County, New York

77.60%

Native Born

22.40%

Foreign Born

7.32%

Non Citizen

15.07%

Naturalized

Place of Birth

77.60% of Nassau County, New York residents were born in the United States, with 70.22% having been born in New York. 7.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Nassau County, New York Place of Birth

  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

Sources