New Jersey Counties Map
Hover/click a county for data.
| Name | 2022 Population | Growth Since 2010 | Land Area (mi²) | Density (mi²) |
|---|---|---|---|---|
| Atlantic County | 262,713 | -4.35% | 555.70 | 472.76 |
| Bergen County | 930,360 | 2.66% | 233.05 | 3,992.04 |
| Burlington County | 447,161 | -0.44% | 798.58 | 559.95 |
| Camden County | 506,825 | -1.26% | 221.27 | 2,290.57 |
| Cape May County | 90,818 | -6.58% | 251.43 | 361.20 |
| Cumberland County | 146,203 | -6.70% | 483.76 | 302.22 |
| Essex County | 800,190 | 2.06% | 126.23 | 6,339.36 |
| Gloucester County | 291,969 | 0.97% | 322.02 | 906.68 |
| Hudson County | 673,771 | 6.00% | 46.17 | 14,594.06 |
| Hunterdon County | 123,063 | -3.35% | 427.83 | 287.64 |
| Mercer County | 365,156 | -0.70% | 224.57 | 1,626.03 |
| Middlesex County | 821,732 | 1.35% | 309.05 | 2,658.91 |
| Monmouth County | 613,803 | -2.64% | 468.41 | 1,310.40 |
| Morris County | 488,170 | -0.90% | 460.30 | 1,060.55 |
| Ocean County | 624,310 | 8.09% | 628.84 | 992.79 |
| Passaic County | 497,755 | -0.85% | 185.68 | 2,680.77 |
| Salem County | 61,302 | -7.09% | 332.00 | 184.65 |
| Somerset County | 325,193 | 0.33% | 301.77 | 1,077.61 |
| Sussex County | 139,549 | -6.25% | 518.04 | 269.38 |
| Union County | 556,158 | 3.50% | 102.87 | 5,406.56 |
| Warren County | 104,484 | -3.77% | 356.94 | 292.72 |
- New Jersey State Data Center
- US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
- American Community Survey (2009 - 2013)
- Census QuickFacts
- Historical Populations of States and Counties (1790 - 1990)