Middlesex County, New Jersey
Population estimates, July 1, 2025, (V2025) 883,335
People
Population
Population estimates, July 1, 2025, (V2025) 883,335
Population estimates, July 1, 2024, (V2024) 890,119
Population estimates base, April 1, 2020, (V2025) 863,225
Population estimates base, April 1, 2020, (V2024) 863,201
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 2.3%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 3.1%
Population, Census, April 1, 2020 863,162
Population, Census, April 1, 2010 809,858
Age and Sex
Persons under 5 years, percent 5.1%
Persons under 18 years, percent 21.1%
Persons 65 years and over, percent 16.9%
Female persons, percent 50.3%
Race and Hispanic Origin
White alone, percent 55.8%
Black alone, percent(a) 13.2%
American Indian and Alaska Native alone, percent(a) 1.3%
Asian alone, percent(a) 26.9%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.2%
Two or More Races, percent 2.6%
Hispanic or Latino, percent(b) 24.8%
White alone, not Hispanic or Latino, percent 36.3%
Population Characteristics
Veterans, 2020-2024 20,594
Foreign-born persons, percent, 2020-2024 35.4%
Housing
Housing Units, July 1, 2025, (V2025) 320,245
Owner-occupied housing unit rate, 2020-2024 63.6%
Median value of owner-occupied housing units, 2020-2024 $462,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,877
Median selected monthly owner costs - without a mortage, 2020-2024 $1,242
Median gross rent, 2020-2024 $1,871
Building Permits, 2025 1,476
Families & Living Arrangements
Households, 2020-2024 307,782
Persons per household, 2020-2024 2.75
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 89.6%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 47.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.5%
Households with a broadband Internet subscription, percent, 2020-2024 94.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 89.2%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 45.6%
Health
With a disability, under age 65 years, percent, 2020-2024 6.3%
Persons without health insurance, under age 65 years, percent 9.2%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 67.2%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 61.8%
Total accommodation and food services sales, 2022 ($1,000)(c) 2,285,876
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 8,558,133
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 6,835,013
Total retail sales, 2022 ($1,000)(c) 21,038,748
Total retail sales per capita, 2022(c) $24,433
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 31.2
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $111,549
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $50,601
Persons in poverty, percent 8.3%
Businesses
Businesses
Total employer establishments, 2023 22,314
Total employment, 2023 434,143
Total annual payroll, 2023 ($1,000) 33,670,719
Total employment, percent change, 2022-2023 2.4%
Total nonemployer establishments, 2023 78,468
All employer firms, Reference year 2023 18,984
Male-owned employer firms, Reference year 2023 11,859
Female-owned employer firms, Reference year 2023 4,193
Minority-owned employer firms, Reference year 2023 7,838
Nonminority-owned employer firms, Reference year 2023 9,710
Veteran-owned employer firms, Reference year 2023 515
Nonveteran-owned employer firms, Reference year 2023 17,071
Geography
Geography
Population per square mile, 2020 2,791.4
Population per square mile, 2010 2,621.6
Land area in square miles, 2020 309.22
Land area in square miles, 2010 308.91
FIPS Code 34023