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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

1,287,348
−4%vs 2000
vs 1,334,544 in 2000
1990 – 2025
4,524 / sq mi
−4%vs 2000
vs 4,690 / sq mi in 2000
US average: 221
36.7
−5%vs 2000
vs 38.5 in 2000
US average: 33.0
Population, 19902024
1.3M1.3M1.3M1.4M1.4M1990201020202024Nassau County
20241.4M
1990201020202024
Section 02

Income & economy

$54,283
−1%inflation adjusted, since 2000
vs $72,030 in 2000
US average: $30,130
1990 – 2024
$23,352
−27%vs 2000
vs $32,151 in 2000
US average: $14,340
3.7%
−1.5 ptsvs 2000
vs 5.2% in 2000
US average: 13.2%
Section 03

Housing

$208,500
+14%inflation adjusted, since 2000
vs $240,200 in 2000
US average: $93,722
1990 – 2024
$749
+2%inflation adjusted, since 2000
vs $964 in 2000
US average: $450
80.5%
+0.1 ptsvs 2000
vs 80.3% in 2000
19.5% rent
3.8
+15%vs 2000
vs 3.3 in 2000
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%
Diversity Score51.6%(688,071)
1990
White, non-Hispanic86.8%(1,116,949)
Black8.6%(110,991)
Hispanic / Latino5.7%(72,880)
Asian3%(38,914)
Other1.6%(20,494)
Diversity Score39.4%(507,120)
39
−24%vs 2000
vs 52 in 2000
1990 – 2024
Section 05

Education

30.0%
−5.4 ptsvs 2000
vs 35.4% in 2000
US average: 20.3%
High school or higher
84.2%
−2.5 ptsvs 2000
vs 86.7% in 2000
US average: 75.2%
13.0%
−2.6 ptsvs 2000
vs 15.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

28.7 min
+10%vs 2000
vs 26.0 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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