COUNTY · 1990 CENSUS
Nassau County
New York · 1,287,348 residents · 284.542 sq mi
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The short version
Nassau County is significantly wealthier than the US average, with a median household income of $54,283. Population has declined 4% since 2000. 30% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $208,500. Poverty is rare here, at 3.7% of residents. Households here earn about 65% more than the New York median.
At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 36.7
US median: 33.0
More educated
30% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
20241.4M
Age distribution, 1990
Under 56.1%(78,941)
5 to 95.9%(75,331)
10 to 146%(77,426)
15 to 196.4%(81,980)
20 to 247.2%(92,633)
25 to 3415.8%(203,734)
35 to 4415.2%(195,922)
45 to 5411.8%(151,408)
55 to 6411.4%(147,368)
65 to 749%(115,949)
75 to 843.9%(50,728)
85 and over1.2%(15,928)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$54,283
−1%inflation adjusted, since 2000
vs $72,030 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$208,500
+14%inflation adjusted, since 2000
vs $240,200 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Nassau County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic74%(986,947)
Black9.7%(129,860)
Hispanic / Latino10%(133,282)
Asian4.7%(62,744)
Other0%
1990
White, non-Hispanic86.8%(1,116,949)
Black8.6%(110,991)
Hispanic / Latino5.7%(72,880)
Asian3%(38,914)
Other1.6%(20,494)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Central American6.2%(86,640)
Salvadoran4.4%(61,154)
South American4.1%(57,487)
Puerto Rican2.7%(37,396)
Dominican2.3%(31,556)
Colombian1.5%(20,369)
Mexican1.1%(15,761)
Ecuadorian1.1%(14,751)
Honduran0.8%(11,542)
Peruvian0.7%(10,303)
Guatemalan0.7%(9,708)
Cuban0.5%(7,248)
+ 10 more hispanic origin groups with data
Spaniard0.4%(4,972)
Chilean0.3%(4,069)
Argentine0.3%(3,669)
Nicaraguan0.1%(1,749)
Panamanian0.1%(1,672)
Venezuelan0.1%(1,411)
Uruguayan0.1%(1,059)
Bolivian0.1%(980)
Costa Rican0%(665)
Paraguayan0%(534)
Asian origin
Asian Indian4.1%(56,427)
Chinese3.6%(50,146)
Pakistani1.1%(15,919)
Korean1.1%(15,136)
Filipino0.9%(12,748)
Bangladeshi0.3%(4,296)
Japanese0.2%(2,296)
Taiwanese0.1%(1,954)
Kazakh0.1%(1,801)
Vietnamese0.1%(812)
Sri Lankan0%(690)
Thai0%(561)
+ 8 more asian origin groups with data
Indonesian0%(401)
Burmese0%(379)
Nepalese0%(234)
Malaysian0%(157)
Uzbek0%(79)
Laotian0%(69)
Singaporean0%(69)
Mongolian0%(18)
Ancestry
Italian16.4%(228,564)
Irish11.6%(161,822)
German6.9%(96,459)
West Indian4.1%(57,584)
American3.7%(51,660)
Polish3.5%(48,548)
Russian2.4%(33,420)
English2.3%(32,537)
Haitian1.9%(25,748)
Jamaican1.5%(21,517)
Greek1.4%(19,637)
Guyanese0.8%(10,526)
+ 50 more ancestry groups with data
Subsaharan African0.7%(9,076)
Hungarian0.6%(8,519)
French0.6%(8,426)
Iranian0.6%(8,424)
Ukrainian0.6%(7,805)
Arab0.6%(7,666)
Scottish0.5%(6,773)
Austrian0.4%(6,094)
Portuguese0.4%(6,011)
Trinidadian & Tobagonian0.3%(4,712)
Israeli0.3%(4,445)
Norwegian0.3%(4,386)
Swedish0.3%(4,210)
Romanian0.3%(4,033)
Nigerian0.3%(3,576)
Croatian0.2%(3,463)
Dutch0.2%(3,254)
Turkish0.2%(3,240)
Czech0.2%(3,206)
Lithuanian0.2%(2,834)
Brazilian0.2%(2,386)
Armenian0.2%(2,280)
Egyptian0.2%(2,098)
French Canadian0.1%(1,969)
Scotch-Irish0.1%(1,965)
British0.1%(1,799)
Danish0.1%(1,629)
Welsh0.1%(1,394)
Barbadian0.1%(1,385)
Canadian0.1%(1,165)
Finnish0.1%(1,100)
Moroccan0.1%(994)
Serbian0.1%(937)
Slovak0.1%(931)
Lebanese0.1%(842)
Swiss0.1%(825)
Ghanaian0.1%(814)
Belgian0%(642)
Syrian0%(592)
Iraqi0%(586)
Latvian0%(510)
Australian0%(271)
Palestinian0%(258)
Macedonian0%(208)
Ethiopian0%(171)
Jordanian0%(166)
Kenyan0%(139)
Bulgarian0%(117)
Slovene0%(102)
Somali0%(55)
Section 05
Education
High school or higher
84.2%
−2.5 ptsvs 2000
vs 86.7% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married34.9%(195,038)
Married57.8%(322,974)
Widowed2.4%(13,519)
Divorced4.9%(27,330)
Women 15+
Never married30.2%(177,241)
Married52.9%(310,767)
Widowed8.8%(51,903)
Divorced8.1%(47,625)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Nassau County to nearby counties
NASSAU COUNTY VS
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Income$86,136+59%
Home value$723,800+247%
Population2,358,182+69%
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NASSAU COUNTY VS
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NASSAU COUNTY VS
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NASSAU COUNTY VS
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Home value$1,090,500+423%
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Frequently asked
How many people live in Nassau County, New York?
Nassau County, New York has about 1,287,348 residents according to the 1990 Census.
What is the median household income in Nassau County, New York?
The typical household in Nassau County, New York earns about $54,283 a year. Half of households make more than that, and half make less.
Is Nassau County, New York expensive?
In Nassau County, New York, the median home is worth about $208,500, and the typical rent is about $749 a month.
How educated are people in Nassau County, New York?
About 30.0% of adults age 25 and over in Nassau County, New York hold a bachelor's degree or higher.
What is the poverty rate in Nassau County, New York?
About 3.7% of people in Nassau County, New York live below the federal poverty line.
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All counties in New YorkDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024