Nassau County, New York

133 cities & places have their primary county here.

Population: 1,388,138
Median household income: $143,408
Median home value: $658,700

Nassau County, New York counts 1,388,138 residents. 133 cities and places have their primary county here. Its median household income of $143,408 runs above the New York figure of $84,578.

From 2019 to 2023, Nassau County's population grew 2.3% from 1,356,509 to 1,388,138, while its median household income rose 23.5% from $116,100 to $143,408.

The largest age group is 5 to 17, 16.3% of residents. White (non-Hispanic) residents are the largest group, 55.4% of the population.

Demographics

ACS 2019–2023

Population: 1,388,138
Median age: 41.8 yrs
Median household income: $143,408
Median home value: $658,700
Median gross rent: $2,195
Housing units: 477,860
Homeownership rate: 81.9%
Bachelor's degree or higher: 48.7%
Unemployment rate: 4.8%

Trends

ACS 5-year · 2019–2023

Population

1,356,5091,388,138

Median household income

$116,100$143,408

Median home value

$493,500$658,700

Median gross rent

$1,772$2,195

Year	Population	Median household income	Median home value	Median gross rent
2019	1,356,509	$116,100	$493,500	$1,772
2020	1,355,683	$120,036	$524,400	$1,831
2021	1,391,678	$126,576	$560,100	$1,940
2022	1,389,160	$137,709	$633,800	$2,131
2023	1,388,138	$143,408	$658,700	$2,195

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.3%

5 to 1716.3%

18 to 248.4%

25 to 3411.7%

35 to 4412.4%

45 to 5413.3%

55 to 6414.4%

65 to 7410.5%

75 and over7.7%

	Count	Share
Under 5	74,107	5.3%
5 to 17	226,032	16.3%
18 to 24	115,987	8.4%
25 to 34	162,512	11.7%
35 to 44	172,551	12.4%
45 to 54	183,934	13.3%
55 to 64	199,727	14.4%
65 to 74	145,947	10.5%
75 and over	107,341	7.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	768,433	55.4%
Black or African American	151,100	10.9%
American Indian & Alaska Native	813	0.1%
Asian	159,307	11.5%
Native Hawaiian & Pacific Islander	193	0.0%
Some other race	13,152	0.9%
Two or more races	38,688	2.8%
Hispanic or Latino (any race)	256,452	18.5%

Educational attainment (age 25+)

No high school diploma7.9%

High school graduate21.0%

Some college or associate's22.4%

Bachelor's degree26.5%

Graduate or professional degree22.2%

	Count	Share
No high school diploma	76,343	7.9%
High school graduate	204,149	21.0%
Some college or associate's	218,016	22.4%
Bachelor's degree	257,500	26.5%
Graduate or professional degree	216,004	22.2%

Commute to work

Mean travel time to work: 36 min

Drove alone62.2%

Carpooled7.3%

Public transit13.0%

Walked2.1%

Bicycle0.2%

Worked from home13.8%

Other means1.4%

How workers get to work

	Count	Share
Drove alone	424,338	62.2%
Carpooled	49,744	7.3%
Public transit	88,802	13.0%
Walked	14,195	2.1%
Bicycle	1,286	0.2%
Worked from home	94,519	13.8%
Other means	9,839	1.4%

Travel time

	Count	Share
Under 15 min	104,172	17.7%
15 to 29 min	169,348	28.8%
30 to 44 min	126,673	21.5%
45 to 59 min	56,141	9.5%
60+ min	131,870	22.4%

Households

Average household size: 3.00
Poverty rate: 5.3% (72,719 of 1,368,576)

	Count	Share
Family households	351,798	77.1%
Nonfamily households	104,278	22.9%

Housing

Median year structure built: 1955

Occupancy

	Count	Share
Occupied	456,076	95.4%
Vacant	21,784	4.6%

Tenure (of occupied units)

	Count	Share
Owner-occupied	373,665	81.9%
Renter-occupied	82,411	18.1%

1-unit, detached76.3%

1-unit, attached3.2%

2 to 4 units7.6%

5 to 19 units3.9%

20 or more units8.8%

Mobile home & other0.3%

Units in structure

	Count	Share
1-unit, detached	364,529	76.3%
1-unit, attached	15,264	3.2%
2 to 4 units	36,127	7.6%
5 to 19 units	18,544	3.9%
20 or more units	41,985	8.8%
Mobile home & other	1,411	0.3%

Geography

County GEOID: 36059
State: New York
Land area: 285 sq mi
Water area: 169 sq mi
Center point: 40.7296, -73.5894

Cities & places

133