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Nassau County, New York

County

Population: 1,388,138 (2023 estimate)

Located in New York

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Nassau County

What is the median household income in Nassau County?
The median household income in Nassau County is $143,408 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Nassau County?
The poverty rate in Nassau County is 3.5% (U.S. Census Bureau ACS 2023).
What is the median home value in Nassau County?
$658,700 (U.S. Census Bureau ACS 2023).
What is the average rent in Nassau County?
The median gross rent in Nassau County is $2,195 per month (U.S. Census Bureau ACS 2023).
What percentage of Nassau County residents have a college degree?
48.7% of adults in Nassau County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
1,388,138
Median Income
$143,408
Median Home Value
$658,700
Poverty Rate
3.5%
Unemployment (ACS 2023)
4.8%
Median Age
41.0 yrs
Since 2019 Median Income: +$27,308 (+23.5%) Home Value: +$165,200 (+33.5%) Poverty Rate: -0.3 pp (-7.9%) Bachelor's+: +2.7 pp (+5.9%) Unemployment: +0.9 pp (+23.1%)

Demographics

Total Population 1,388,138
Median Age 41.0
Female 50.8%
Race & Ethnicity
Hispanic or Latino 18.5% White (non-Hisp.) 55.4% Black 11.4% Asian 11.5% Two or More 9.0% Other 8.5%
Asian Subgroups (% of total pop.)
Indian
3.9%
Chinese
3.5%
Korean
1.1%
Filipino
0.9%
Vietnamese
0.1%
Japanese
0.1%
Hispanic Subgroups (% of total pop.)
Puerto Rican
2.9%
Mexican
1.1%
Cuban
0.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $143,408 ±$1,643
+$58,830 vs. state
Per Capita Income $187,564
Median Family Income $165,692
Poverty Rate 3.5%
-6.3 pp vs. state
Child Poverty Rate 4.8%
Working-Age Poverty Rate
SNAP Recipients 4.7%
Social Security Income
Retirement Income 29.2%
Household Income Distribution
< $10k
2.7%
$10–15k
1.5%
$15–25k
3.1%
$25–35k
3.6%
$35–50k
5.2%
$50–75k
9.0%
$75–100k
9.1%
$100–150k
18.0%
$150–200k
14.5%
$200k+
33.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 477,860
Owner-Occupied 81.9%
Renter-Occupied 18.1%
Vacancy Rate 4.6%
Median Home Value $658,700
+$255,700 vs. state
Median Gross Rent $2,195
Owner Cost Burden (30%+) 29.7%
Renter Cost Burden (30%+) 46.0%
Home Value Distribution
< $50k
1.0%
$50–100k
1.0%
$100–200k
0.6%
$200–300k
2.7%
$300–500k
16.0%
$500k–$1M
62.5%
$1M+
15.4%
Gross Rent Distribution
< $500
6.0%
$500–1k
6.3%
$1–1.5k
11.1%
$1.5–2k
18.2%
$2–2.5k
21.4%
$2.5–3.5k
13.0%
$3.5k+
24.0%
Vehicle Availability
No vehicle
6.7%
1 vehicle
28.7%
2 vehicles
40.6%
3+
23.9%
Housing Type
Single-fam. det.
76.3%
Single-fam. att.
3.2%
2–4 units
5.7%
5–19 units
1.7%
20+ units
8.8%
Mobile home
0.2%
Housing Age
Pre-1940
19.5%
1940–1969
12.9%
1970–1999
5.8%
2000–2009
3.1%
2010+
3.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 92.1%
Bachelor's or Higher 48.7%
+9.1 pp vs. state
Graduate Degree 22.2%
Some College / Associate 14.3%
Less Than High School 4.3%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 65.3%
Unemployment Rate 4.8%
-1.4 pp vs. state
Work from Home 13.8%
Self-Employed 4.7%
Government Workers 17.9%
Private For-Profit 77.2%
Industry
Edu/Health
31.1%
Prof. Services
13.3%
Finance
10.1%
Retail
9.1%
Arts/Entmt.
6.7%
Construction
6.1%
Transportation
5.7%
Public Admin
4.9%
Manufacturing
4.2%
Wholesale
2.7%
Information
2.4%
Agriculture
0.2%
Occupation
Management
50.2%
Sales
20.6%
Food Prep
15.3%
Production
7.4%
Construction
6.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 36.0 min
Drove Alone 62.2%
Carpool 7.3%
Public Transit 13.0%
Work from Home 13.8%
Walked 2.1%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 456,076
Avg. Household Size 3.00
Avg. Family Size
Married-Couple Households 60.8%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 25.7%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
5.3%
5–9
5.9%
10–14
6.4%
15–19
6.3%
20–24
6.0%
25–34
11.7%
35–44
12.4%
45–54
13.3%
55–64
7.3%
65–74
7.0%
75–84
10.5%
85+
5.1%
Under 18: 21.6% Working age (18–64): 78.4% 65 and over: 18.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 22.9%
Naturalized Citizen 70.0%
Speaks English Less Than Very Well 11.2%
Foreign-Born Origin
Latin America
49.9%
Asia
33.5%
Europe
13.4%
Africa
2.3%

Veterans & Disability

Veteran 3.1%
With a Disability 9.1%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 96.1%
Uninsured 3.9%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 93.7%
Has a Computer 96.2%
Same House 1 Year Ago 93.2%
Moved from Abroad 0.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Nassau County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Nassau County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Queens County 10,413 20,494
Suffolk County 4,060 6,378
Kings County 2,571 4,754
New York County 1,623 2,640
Other flows - South 1,083 1,811
Other flows - Northeast 436 689
Bronx County 415 721
Other flows - West 347 527
Westchester County 338 530
Other flows - Midwest 334 528