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Population Demographics for Nassau County, New York in 2020, 2019



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Population Demographics by Race

RacePopulation% of Total
Total Population1,339,532100
White977,57772
Hispanic or Latino195,35514
Black or African American149,04911
Asian102,2667
Some Other Race75,2115
Two or More Races31,9082
American Indian3,185Below 1%
Three or more races1,973Below 1%
Native Hawaiian Pacific Islander336Below 1%

Population Demographics by Race and gender.

MaleFemaleTotal
Total Population647,978691,5541,339,532
White473,650503,927977,577
Hispanic or Latino98,70196,654195,355
Black or African American68,25380,796149,049
Asian49,57752,689102,266
Some Other Race38,93536,27675,211
Two or More Races15,80216,10631,908
American Indian1,5951,5903,185
Three or more races9221,0511,973
Native Hawaiian Pacific Islander166170336

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Demographic population totals

Total population in Nassau County

 
Total Population:1,339,532
Male Population:647,978
Female Population:691,554

Demographic median age by sex

Median age in Nassau County

 
Both sexes41
Male40
Female43

Demographic sex by age for the population in households

Population in households in Nassau County

 
Total Population:1,317,866
Male Population:637,597
Under 5 years:37,656
5 to 9 years:42,720
10 to 14 years:47,848
15 to 17 years:31,095
18 and 19 years:15,628
20 years:7,579
21 years:7,172
22 to 24 years:23,675
25 to 29 years:35,822
30 to 34 years:34,655
35 to 39 years:38,464
40 to 44 years:45,902
45 to 49 years:52,144
50 to 54 years:51,705
55 to 59 years:44,671
60 and 61 years:15,936
62 to 64 years:21,663
65 and 66 years:10,978
67 to 69 years:14,368
70 to 74 years:18,464
75 to 79 years:15,501
80 to 84 years:13,027
85 years and over:10,924
Female Population:680,269
Under 5 years:36,097
5 to 9 years:40,594
10 to 14 years:45,612
15 to 17 years:29,263
18 and 19 years:13,953
20 years:6,824
21 years:6,754
22 to 24 years:22,239
25 to 29 years:34,645
30 to 34 years:36,008
35 to 39 years:41,623
40 to 44 years:50,550
45 to 49 years:57,036
50 to 54 years:55,616
55 to 59 years:48,061
60 and 61 years:17,322
62 to 64 years:23,472
65 and 66 years:12,557
67 to 69 years:17,160
70 to 74 years:23,650
75 to 79 years:21,601
80 to 84 years:19,980
85 years and over:19,652

Demographic average population of home by age

Average household size in Nassau County

 
Total:3
Under 18 years:1
18 years and over:2

Demographic household type

Number of occupied homes in Nassau County

 
Total:448,528
Family led homes:340,523
Husband-wife family:269,043
Other family:71,480
Population of male led with no wife present:19,088
Population female led with no husband present:52,392
Population of Nonfamily homes:108,005
Population living alone:90,292
Population not living alone:17,713

Demographic population of homes with people under 18 years old by type

Total occupied homes in Nassau County with people under 18 years old:

 
Total:448,528
Population of homes with one or more people under 18 years:165,255
Population of family homes:164,354
Husband-wife family:129,955
Under 6 years only:26,737
Under 6 years and 6 to 17 years:25,847
6 to 17 years only:77,371
Other family:34,399
Male householder, no wife present:8,318
Under 6 years only:1,848
Under 6 years and 6 to 17 years:1,584
6 to 17 years only:4,886
Female led with no husband present:26,081
Under 6 years only:4,078
Under 6 years and 6 to 17 years:4,396
6 to 17 years only:17,607
Nonfamily households:901
Male led households:615
Under 6 years only:177
Under 6 years and 6 to 17 years:53
6 to 17 years only:385
Female led householder:286
Under 6 years only:68
Under 6 years and 6 to 17 years:33
6 to 17 years only:185
Households with no people under 18 years:283,273
Family households:176,169
Husband-wife family:139,088
Other family:37,081
Male led with no wife present:10,770
Female led with no husband present:26,311
Nonfamily households:107,104
Male led householder:41,872
Female led householder:65,232

Demographic type of home by age of owner-renter

Total number led homes in Nassau County, by type

 
Total Home Population:448,528
Population of Family homes:340,523
Population of 15 to 24 year olds:2,745
Population of 25 to 34 year olds:28,158
Population of 35 to 44 year olds:69,326
Population of 45 to 54 year olds:93,748
Population of 55 to 59 year olds:40,063
Population of 60 to 64 year olds:33,632
Population of 65 to 74 year olds:39,054
Population of 75 to 84 year olds:25,244
Population of 85 year olds and over:8,553
Population of Nonfamily Homes:108,005
Population of 15 to 24 year olds:1,884
Population of 25 to 34 year olds:10,246
Population of 35 to 44 year olds:10,426
Population of 45 to 54 year olds:16,390
Population of 55 to 59 year olds:9,731
Population of 60 to 64 year olds:10,117
Population of 65 to 74 year olds:17,088
Population of 75 to 84 year olds:19,460
Population of 85 year olds and over:12,663

Demographic population of homes with people 60 year olds and over

households in Nassau County containing people over 60

 
Total Population:448,528
Population of homes with one or more people 60 years and over:192,040
1-person household:54,457
2-or-more-person household:137,583
Family households:131,759
Nonfamily households:5,824
Population of homes with no people 60 years and over:256,488
1-person household:35,835
2-or-more-person household:220,653
Family homes:208,764
Nonfamily homes:11,889

Demographic population of multigenerational homes

homes in Nassau County with multiple generations.

 
Total Population:448,528
Home has three or more generations:27,348
Home does not have three or more generations:421,180

Demographic presence of unmarried partner of home owner-renter

Unmarried population in Nassau County under 18 years old in homes

 
Total Population:310,788
Unmarried partner of home lead present:12,648
In family homes:12,261
Population of male led and male partner homes:758
Population of male led and female partner households:5,159
Population of female led and female partner households:1,117
Population of female led and male partner households:5,227
In nonfamily homes:387
Population of male led and male partner homes:4
Population of male led and female partner homes:335
Population of female led and female partner homes:8
Population of female led and male partner homes:40
No unmarried partner of home lead present:298,140
In family homes:297,254
Population of husband-wife family homes:249,642
Population of male lead with no wife present, family homes:8,817
Population of female lead with no husband present, family homes:38,795
In nonfamily homes:886

Demographic population in families by age

Population in families living in Nassau County

 
Total Population:1,149,599
Population Under 18 years:305,796
Population 18 years and over:843,803

Demographic tenure of people in homes

How long in Nassau County have lived in one place.

 
Total:448,528
Population of Owner occupied homes:358,300
Family home:289,628
Nonfamily homess:68,672
Male led home:24,289
Living alone:19,466
Not living alone:4,823
Female led home:44,383
Living alone:39,343
Not living alone:5,040
Population of Renter occupied homes:90,228
Family run homes:50,895
Husband-wife family:28,663
Other family:22,232
Male led with no wife present:5,821
Female led with no husband present:16,411
Nonfamily Homes:39,333
Male led homes:18,198
Male living alone:13,512
Male not living alone:4,686
Female led homes:21,135
Females living alone:17,971
Females not living alone:3,164