Nassau County, New York
Persons under 18 years, percent 21.2%
People
Population
Population estimates, July 1, 2025, (V2025) 1,398,939
Population estimates, July 1, 2024, (V2024) 1,392,438
Population estimates base, April 1, 2020, (V2025) 1,395,776
Population estimates base, April 1, 2020, (V2024) 1,395,805
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 0.2%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -0.2%
Population, Census, April 1, 2020 1,395,774
Population, Census, April 1, 2010 1,339,532
Age and Sex
Persons under 5 years, percent 5.1%
Persons under 18 years, percent 21.2%
Persons 65 years and over, percent 19.6%
Female persons, percent 50.8%
Race and Hispanic Origin
White alone, percent 69.3%
Black alone, percent(a) 13.5%
American Indian and Alaska Native alone, percent(a) 0.7%
Asian alone, percent(a) 14.1%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 2.3%
Hispanic or Latino, percent(b) 19.2%
White alone, not Hispanic or Latino, percent 53.5%
Population Characteristics
Veterans, 2020-2024 32,220
Foreign-born persons, percent, 2020-2024 23.3%
Housing
Housing Units, July 1, 2025, (V2025) 480,591
Owner-occupied housing unit rate, 2020-2024 81.9%
Median value of owner-occupied housing units, 2020-2024 $684,700
Median selected monthly owner costs - with a mortgage, 2020-2024 $3,795
Median selected monthly owner costs - without a mortage, 2020-2024 $1,500+
Median gross rent, 2020-2024 $2,252
Building Permits, 2025 821
Families & Living Arrangements
Households, 2020-2024 458,166
Persons per household, 2020-2024 2.99
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 93.5%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 30.7%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.5%
Households with a broadband Internet subscription, percent, 2020-2024 94.8%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 92.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 49.7%
Health
With a disability, under age 65 years, percent, 2020-2024 5.5%
Persons without health insurance, under age 65 years, percent 4.4%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 64.8%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 59.6%
Total accommodation and food services sales, 2022 ($1,000)(c) 4,931,885
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 21,905,840
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 6,126,749
Total retail sales, 2022 ($1,000)(c) 32,991,916
Total retail sales per capita, 2022(c) $23,816
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 36.0
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $146,202
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $64,198
Persons in poverty, percent 5.9%
Businesses
Businesses
Total employer establishments, 2023 48,718
Total employment, 2023 562,420
Total annual payroll, 2023 ($1,000) 38,182,988
Total employment, percent change, 2022-2023 2.1%
Total nonemployer establishments, 2023 170,575
All employer firms, Reference year 2023 42,409
Male-owned employer firms, Reference year 2023 28,446
Female-owned employer firms, Reference year 2023 9,535
Minority-owned employer firms, Reference year 2023 11,528
Nonminority-owned employer firms, Reference year 2023 28,961
Veteran-owned employer firms, Reference year 2023 970
Nonveteran-owned employer firms, Reference year 2023 39,554
Geography
Geography
Population per square mile, 2020 4,905.3
Population per square mile, 2010 4,704.8
Land area in square miles, 2020 284.54
Land area in square miles, 2010 284.72
FIPS Code 36059