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COUNTY

Nassau County

New York · 1,398,939 residents (2025 est.) · 285 sq mi
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The short version

Nassau County is a county of 1,389,591 people in New York. Households here earn about 70% more than in New York as a whole. Home values have roughly tripled since 2000, reaching $684,700. Few US counties rank higher on income. Median household income runs $146,202, well clear of the $82,259 US median. Owners hold 82% of the housing stock.

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

1,389,591
+4%since 2000
from 1,334,544 in 2000
1,398,939 in 2025 (Census Bureau estimate)
1990 – 2025
4,884 / sq mi
+3%since 2009
from 4,759 / sq mi in 2009
US average: 281
42.0
+9%since 2000
from 38.5 in 2000
US average: 38.9
Land area
285 sq mi
Population, 19902024
1.3M1.3M1.3M1.4M1.4M19902000201020202024Nassau County
20241.4M
1990201020202024
Age distribution, 2024
Under 55.3%(73,174)
US avg: 5.6%
5 to 95.9%(81,517)
US avg: 6%
10 to 146.4%(88,503)
US avg: 6.4%
15 to 196.3%(88,048)
US avg: 6.6%
20 to 246%(82,907)
US avg: 6.5%
25 to 3411.7%(162,700)
US avg: 13.7%
35 to 4412.5%(173,454)
US avg: 13.2%
45 to 5413.1%(181,677)
US avg: 12.2%
55 to 6414.3%(198,111)
US avg: 12.7%
65 to 7410.7%(149,014)
US avg: 10.2%
75 to 845.4%(74,403)
US avg: 5.1%
85 and over2.6%(36,083)
US avg: 1.9%
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
$64,198
+100%since 2000
from $32,151 in 2000
US average: $44,673
Households earning $100K+
75.6%
+16.0 ptssince 2009
from 59.6% in 2009
US average: 53.3%
5.4%
+0.2 ptssince 2000
from 5.2% in 2000
US average: 12.5%
0.451
+1%since 2010
from 0.448 in 2010
US average: 0.476
Workforce by industry, 2024
Other services9.8%
US avg: 6.7%
Information9%
US avg: 10.8%
Public administration7.6%
US avg: 4.8%
Wholesale trade6.1%
US avg: 6.9%
Finance & insurance5.7%
US avg: 5.9%
Professional, scientific, technical4.9%
US avg: 5.1%
Retail trade4.1%
US avg: 9.9%
Transportation & warehousing2.5%
US avg: 2.2%
Arts, entertainment, food2.3%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Agriculture, forestry, fishing0.2%
US avg: 1.6%
Construction0.2%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
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
$2,252
+28%inflation adjusted, since 2000
from $964 in 2000
US average: $1,442
81.9%
+1.6 ptssince 2000
from 80.3% in 2000
18.1% rent
4.4%
−0.6 ptssince 2009
from 5.0% in 2009
US average: 10.0%
2.99 people
−2%since 2009
from 3.05 people in 2009
US average: 2.54
33.3%
−9.5 ptssince 2009
from 42.8% in 2009
US average: 22.9%
51.0%
−0.4 ptssince 2009
from 51.4% in 2009
US average: 47.4%
4.7
−12%since 2009
from 5.3 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
51
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
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)
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)
Mongolian0%(18)
Pacific Islander origin
Samoan0%(111)
Chamorro0%(105)
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
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)
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)
Macedonian0%(208)
Ethiopian0%(171)
Jordanian0%(166)
Kenyan0%(139)
Bulgarian0%(117)
Slovene0%(102)
Somali0%(55)
Section 05

Education

49.7%
+14.3 ptssince 2000
from 35.4% in 2000
US average: 35.6%
High school or higher
92.2%
+5.4 ptssince 2000
from 86.7% in 2000
US average: 89.6%
22.8%
+7.3 ptssince 2000
from 15.6% in 2000
US average: 14.0%
Section 06

Commute & transportation

36.0 min
+38%since 2000
from 26.0 min in 2000
US average: 26.5
60.7%
−8.5 ptssince 2009
from 69.2% in 2009
US average: 68.9%
7.3%
−0.4 ptssince 2009
from 7.7% in 2009
US average: 8.5%
12.5%
−3.6 ptssince 2009
from 16.0% in 2009
US average: 3.2%
15.6%
+12.3 ptssince 2009
from 3.3% in 2009
US average: 15.0%
2.0%
−0.6 ptssince 2009
from 2.6% in 2009
US average: 2.4%
0.2%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 0.4%
6.8%
−0.1 ptssince 2009
from 6.9% in 2009
US average: 8.3%
Section 07

Work & employment

4.8%
−1.6 ptssince 2011
from 6.4% in 2011
US average: 5.2%
64.8%
−0.7 ptssince 2011
from 65.5% in 2011
US average: 63.5%
Women 20-64 in the labor force
76.3%
+0.8 ptssince 2020
from 75.5% in 2020
US average: 74.6%
18.1%
+1.3 ptssince 2009
from 16.8% in 2009
US average: 13.1%
51.2%
+8.7 ptssince 2009
from 42.5% in 2009
US average: 42.5%
Section 08

People & community

49.2%
+0.6 ptssince 2009
from 48.6% in 2009
50.8%
−0.6 ptssince 2009
from 51.4% in 2009
23.3%
+3.6 ptssince 2009
from 19.7% in 2009
US average: 14.1%
3.0%
−4.3 ptssince 2009
from 7.3% in 2009
US average: 6.2%
9.4%
+0.8 ptssince 2012
from 8.6% in 2012
US average: 13.3%
3.8%
−5.2 ptssince 2013
from 9.0% in 2013
US average: 8.4%
94.8%
+7.2 ptssince 2017
from 87.6% in 2017
US average: 91.0%
Computer in household
96.5%
+2.3 ptssince 2020
from 94.2% in 2020
US average: 95.5%
93.5%
+0.3 ptssince 2020
from 93.1% in 2020
US average: 87.7%
69.3%
−2.7 ptssince 2016
from 72.0% in 2016
US average: 77.7%
13.7%
+1.0 ptssince 2016
from 12.7% in 2016
US average: 13.6%
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
Section 09

Health coverage

3.8%
−5.2 ptssince 2013
from 9.0% in 2013
US average: 8.4%
66.9%
−1.6 ptssince 2020
from 68.5% in 2020
US average: 54.8%
Direct-purchase
15.7%
+0.3 ptssince 2020
from 15.4% in 2020
US average: 13.8%
18.8%
+0.8 ptssince 2020
from 18.0% in 2020
US average: 18.4%
15.4%
+2.4 ptssince 2020
from 13.0% in 2020
US average: 20.9%
VA health care
0.7%
−0.2 ptssince 2020
from 0.9% in 2020
US average: 2.2%
Any private
79.0%
−1.9 ptssince 2020
from 80.9% in 2020
US average: 67.1%
Any public
31.0%
+2.5 ptssince 2020
from 28.5% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)18%(5,812)
US avg: 26.4%
Gulf War (1990s)13.3%(4,294)
US avg: 24.3%
Vietnam era38.2%(12,322)
US avg: 33.1%
Korean War9.3%(3,003)
US avg: 4.5%
World War II2.6%(848)
US avg: 1%

Share of the 32,220 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →