New Jersey Counties by Population (2025)
by Kristen Carney 
Updated: December 17, 2024
The most populous counties in New Jersey are Bergen County with 957,736, Middlesex County at 863,623, Essex County with 851,117, Hudson County at 705,472, and Ocean County with 659,197. You can get the most current Census population data for all 21 New Jersey counties, sorted from the most populous counties in New Jersey to the least, according to the 2023 Population Estimates Program.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest New Jersey counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
| Rank | County | Population |
|---|---|---|
| 1 | Bergen County | 957,736 |
| 2 | Middlesex County | 863,623 |
| 3 | Essex County | 851,117 |
| 4 | Hudson County | 705,472 |
| 5 | Ocean County | 659,197 |
| 6 | Monmouth County | 642,799 |
| 7 | Union County | 572,726 |
| 8 | Camden County | 527,196 |
| 9 | Morris County | 514,423 |
| 10 | Passaic County | 513,395 |
| 11 | Burlington County | 469,167 |
| 12 | Mercer County | 381,671 |
| 13 | Somerset County | 348,842 |
| 14 | Gloucester County | 308,423 |
| 15 | Atlantic County | 275,213 |
| 16 | Cumberland County | 152,326 |
| 17 | Sussex County | 146,132 |
| 18 | Hunterdon County | 130,183 |
| 19 | Warren County | 111,252 |
| 20 | Cape May County | 94,610 |
| 21 | Salem County | 65,338 |
|
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. Population Division. May 2024. |
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