Fastest growing counties in New Jersey.
County | Rank | Change (2020) | 2024 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Ocean County | 1 | 3.8% | 662,731 | 638,465 |
| Gloucester County | 2 | 2.48% | 310,079 | 302,563 |
| Burlington County | 3 | 2.29% | 472,233 | 461,682 |
| Sussex County | 4 | 1.93% | 146,689 | 143,915 |
| Warren County | 5 | 1.9% | 111,601 | 109,520 |
| Morris County | 6 | 1.81% | 517,627 | 508,439 |
| Somerset County | 7 | 1.71% | 350,637 | 344,754 |
| Hunterdon County | 8 | 1.38% | 130,561 | 128,786 |
| Camden County | 9 | 1.27% | 529,743 | 523,122 |
| Salem County | 10 | 1.05% | 65,519 | 64,841 |
| Bergen County | 11 | 0.86% | 961,932 | 953,690 |
| Middlesex County | 12 | 0.55% | 866,152 | 861,408 |
| Atlantic County | 13 | 0.31% | 275,044 | 274,190 |
| Union County | 14 | 0.24% | 575,035 | 573,660 |
| Monmouth County | 15 | -0.23% | 641,370 | 642,836 |
| Cumberland County | 16 | -0.27% | 153,305 | 153,719 |
| Essex County | 17 | -0.87% | 852,510 | 859,974 |
| Mercer County | 18 | -1.01% | 382,563 | 386,466 |
| Cape May County | 19 | -1.29% | 93,815 | 95,044 |
| Hudson County | 20 | -1.84% | 708,563 | 721,879 |
| Passaic County | 21 | -1.96% | 513,156 | 523,439 |