Total Population in Middlesex County, NJ
ACS 2024 5-Year Estimates
871,290
Rank #67/3,222 · #2 in NJ
98th
Middlesex 871,290
NJ 9,343,809 -90.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Middlesex County's total population of 871,290 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Middlesex County for total population.
Nearby Rankings
Full ranking →| #64 | Fort Bend County, TX | 893,767 |
| #65 | Hidalgo County, TX | 891,977 |
| #66 | Macomb County, MI | 879,853 |
| #67 | Middlesex County, NJ | 871,290 |
| #68 | El Paso County, TX | 870,779 |
| #69 | Worcester County, MA | 867,788 |
| #70 | Montgomery County, PA | 867,573 |
About Total Population
Middlesex County, New Jersey has a total population of 871,290, ranking #67 of 3,222 counties nationwide — 99.7% below the national value of 330M. Within New Jersey, it ranks #2 of 21. This places it in the 98th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.