| Total Population | 863162 | 2020 Decennial Census |
| Median Household Income | 105055 | 2023 American Community Survey 1-Year Estimates |
| Bachelor's Degree or Higher | 45.6 | 2023 American Community Survey 1-Year Estimates |
| Employment Rate | 63.5 | 2023 American Community Survey 1-Year Estimates |
| Total Housing Units | 315521 | 2020 Decennial Census |
| Without Health Care Coverage | 8.1 | 2023 American Community Survey 1-Year Estimates |
| Total Employer Establishments | 21897 | 2021 Economic Surveys Business Patterns |
| Total Households | 311100 | 2023 American Community Survey 1-Year Estimates |
| Hispanic or Latino (of any race) | 193687 | 2020 Decennial Census |
| Areas Located Within | , |
| Unemployment Rate in Middlesex County, NJ | 2024-12-01 |
| All-Transactions House Price Index for Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, Two or More Races (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Hispanic or Latino (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Hispanic or Latino, Two or More Races (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Gross Domestic Product: All Industries in Middlesex County, NJ | 2023-01-01 |
| Estimate of Median Household Income for Middlesex County, NJ | 2023-01-01 |
| Housing Inventory: Average Listing Price in Middlesex County, NJ | 2025-02-01 |
| 90% Confidence Interval Upper Bound of Estimate of Percent of People Age 0-17 in Poverty for Middlesex County, NJ | 2022-01-01 |
| Combined Violent and Property Crime Offenses Known to Law Enforcement in Middlesex County, NJ (DISCONTINUED) | 2020-01-01 |
| Rate of Preventable Hospital Admissions (5-year estimate) in Middlesex County, NJ (DISCONTINUED) | 2015-01-01 |
| 90% Confidence Interval Lower Bound of Estimate of People Age 0-17 in Poverty for Middlesex County, NJ | 2022-01-01 |
| Estimate of Related Children Age 5-17 in Families in Poverty for Middlesex County, NJ | 2022-01-01 |
| 90% Confidence Interval Lower Bound of Estimate of Percent of People Age 0-17 in Poverty for Middlesex County, NJ | 2022-01-01 |
| Poverty Universe, Age 5-17 related for Middlesex County, NJ | 2022-01-01 |
| Estimated Mean Real Household Wages Adjusted by Cost of Living for Middlesex County, NJ | 2015-01-01 |
| Resident Population in Middlesex County, NJ | 2023-01-01 |
| Premature Death Rate for Middlesex County, NJ | 2020-01-01 |
| Burdened Households (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Estimate, Median Age by Sex, Total Population (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Disconnected Youth (5-year estimate) for Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, Two or More Races, Two Races Excluding Some Other Race, and Three or More Races (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Gross Domestic Product: Government and Government Enterprises in Middlesex County, NJ | 2023-01-01 |
| Percent of Population Below the Poverty Level (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| High School Graduate or Higher (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Single-Parent Households with Children as a Percentage of Households with Children (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Mean Commuting Time for Workers (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Income Inequality in Middlesex County, NJ | 2023-01-01 |
| Bachelor's Degree or Higher (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, Some Other Race Alone (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| White to Non-White Racial Dissimilarity (5-year estimate) Index for Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Hispanic or Latino, Some Other Race Alone (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total, Not Hispanic or Latino, Native Hawaiian and Other Pacific Islander Alone (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Population Estimate, Total (5-year estimate) in Middlesex County, NJ | 2023-01-01 |
| Gross Domestic Product: Private Services-Providing Industries in Middlesex County, NJ | 2023-01-01 |
| Real Gross Domestic Product: All Industries in Middlesex County, NJ | 2023-01-01 |
| New Patent Assignments in Middlesex County, NJ | 2024-01-01 |
| Quarterly Financial Report / November 29, 2022 |
| Quarterly Financial Report - Retail / November 29, 2022 |
| Advance Retail Inventories / November 29, 2022 |
| Advance Wholesale Inventories / November 29, 2022 |
| Housing Vacancies and Homeownership / November 29, 2022 |
| Monthly Wholesale Trade: Sales and Inventories / November 29, 2022 |
| Advanced Monthly Sales for Retail and Food Services / November 29, 2022 |
| Advance Monthly Manufacturers' Shipments, Inventories, and Orders / November 29, 2022 |
| New Home Sales / November 29, 2022 |
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| Quarterly Financial Report - Retail Trade / May 4, 2021 |
| Quarterly Services Survey / May 4, 2021 |
| Quarterly Financial Report - Manufacturing, Mining, Wholesale Trade, and Selected Service Industries / May 4, 2021 |