COUNTY
Nassau County
New York · 1,398,939 residents (2025 est.) · 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 $146,202. Population has held roughly steady since 2000. 50% of adults hold a bachelor's degree or higher. Median home value has roughly tripled since 2000, reaching $684,700. Poverty is rare here, at 5.4% of residents. It ranks in the top 1% of US counties for household income.
At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 42.0
US median: 38.9
More educated
50% hold a bachelor's degree
US average: 36%
Less affordable
home values up 56%, inflation adjusted
US median home: $376,019
Section 01
Population & growth
PEP 2025 EST:1,398,939 residents (Census Bureau Vintage 2025, released March 2026)
Population, 1990 – 2024
20241.4M
Age distribution, 2024
Under 55.3%(73,174)
5 to 95.9%(81,517)
10 to 146.4%(88,503)
15 to 196.3%(88,048)
20 to 246%(82,907)
25 to 3411.7%(162,700)
35 to 4412.5%(173,454)
45 to 5413.1%(181,677)
55 to 6414.3%(198,111)
65 to 7410.7%(149,014)
75 to 845.4%(74,403)
85 and over2.6%(36,083)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$146,202
+11%inflation adjusted, since 2000
from $72,030 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
75.6%
+16.0 ptssince 2009
from 59.6% in 2009
US average: 53.3%
Workforce by industry, 2024
Other services9.8%
Information9%
Public administration7.6%
Wholesale trade6.1%
Finance & insurance5.7%
Professional, scientific, technical4.9%
Retail trade4.1%
Transportation & warehousing2.5%
Arts, entertainment, food2.3%
Education & health services0.8%
Agriculture, forestry, fishing0.2%
Construction0.2%
Manufacturing0%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$684,700
+56%inflation adjusted, since 2000
from $240,200 in 2000
US average: $376,019
1990 – 2024
4.7
−12%since 2009
from 5.3 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
51
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
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%
2024
White, non-Hispanic54.3%(753,995)
Black10.8%(150,236)
Hispanic / Latino18.7%(260,047)
Asian12.2%(169,015)
Other4.1%(56,298)
80
+31%since 2009
from 61 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
48
Unchangedsince 2020
from 48 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry
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
92.2%
+5.4 ptssince 2000
from 86.7% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Section 08
People & community
Marital status
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
Queens County
Income$86,136−41%
Home value$723,800+6%
Population2,358,182+69%
SEE FULL COMPARISON →
NASSAU COUNTY VS
Bronx County
Income$48,676−67%
Home value$529,500−23%
Population1,406,332+1%
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NASSAU COUNTY VS
Kings County
Income$80,263−45%
Home value$905,000+32%
Population2,653,963+90%
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NASSAU COUNTY VS
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Income$103,931−29%
Home value$1,090,500+59%
Population1,664,862+19%
SEE FULL COMPARISON →
Frequently asked
How many people live in Nassau County, New York?
Nassau County, New York has about 1,389,591 residents according to the 2024 American Community Survey.
What is the median household income in Nassau County, New York?
The typical household in Nassau County, New York earns about $146,202 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 $684,700, and the typical rent is about $2,252 a month.
How educated are people in Nassau County, New York?
About 49.7% 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 5.4% of people in Nassau County, New York live below the federal poverty line.
Has Nassau County, New York grown since 1990?
Yes, Nassau County, New York has grown since 1990. The population has added about 102,243 residents, a change of about 8 percent over that period.
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286 census tracts (top 20 by population)
Census Tract 4070Census Tract 4051Census Tract 4139Census Tract 4105Census Tract 3036Census Tract 4054Census Tract 5220Census Tract 5177.01Census Tract 4099Census Tract 4135Census Tract 4069Census Tract 4106Census Tract 4052Census Tract 5189Census Tract 4149Census Tract 4117Census Tract 4141Census Tract 4071.02Census Tract 4083Census Tract 411269 ZIP codes (top 30 by population)
ZIP 11550ZIP 11758ZIP 11590ZIP 11003ZIP 11520ZIP 11580ZIP 11756ZIP 11040ZIP 11801ZIP 11561ZIP 11554ZIP 11510ZIP 11710ZIP 11566ZIP 11050ZIP 11793ZIP 11572ZIP 11803ZIP 11542ZIP 11570ZIP 11530ZIP 11553ZIP 11010ZIP 11791ZIP 11001ZIP 11552ZIP 11563ZIP 11581ZIP 11714ZIP 11762Up the hierarchy
All counties in New YorkDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024