40 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Egg Harbor | 1 | 48,907 | 47,773 | 0.76% | 729 | 67 | Township |
| Atlantic City | 2 | 39,217 | 38,416 | 0.66% | 3,645 | 11 | City |
| Atlantic City | 3 | 39,094 | 38,416 | 0.35% | 3,633 | 11 | City |
| Galloway | 4 | 38,592 | 37,778 | 0.64% | 435 | 89 | Township |
| Hamilton | 5 | 28,890 | 27,498 | 0.77% | 261 | 111 | Township |
| Pleasantville | 6 | 21,107 | 20,593 | 0.87% | 3,689 | 6 | City |
| Pleasantville | 7 | 21,006 | 20,593 | 0.39% | 3,672 | 6 | City |
| Hammonton | 8 | 15,184 | 14,691 | 0.98% | 373 | 41 | Town |
| Hammonton | 9 | 15,122 | 14,691 | 0.57% | 371 | 41 | Town |
| Somers Point | 10 | 10,689 | 10,458 | 0.74% | 2,666 | 4 | City |
| Somers Point | 11 | 10,649 | 10,458 | 0.36% | 2,656 | 4 | City |
| Ventnor City | 12 | 9,464 | 9,191 | 0.98% | 4,841 | 2 | City |
| Ventnor City | 13 | 9,417 | 9,191 | 0.48% | 4,817 | 2 | City |
| Absecon | 14 | 9,316 | 9,112 | 0.72% | 1,684 | 6 | City |
| Absecon | 15 | 9,283 | 9,112 | 0.37% | 1,678 | 6 | City |
| Northfield | 16 | 8,575 | 8,424 | 0.56% | 2,394 | 4 | City |
| Northfield | 17 | 8,552 | 8,424 | 0.29% | 2,387 | 4 | City |
| Brigantine | 18 | 7,743 | 7,707 | 0.6% | 1,187 | 7 | City |
| Brigantine | 19 | 7,694 | 7,707 | -0.04% | 1,180 | 7 | City |
| Buena Vista | 20 | 7,257 | 7,030 | 0.83% | 177 | 41 | Township |
| Linwood | 21 | 7,142 | 6,947 | 0.99% | 1,874 | 4 | City |
| Linwood | 22 | 7,103 | 6,947 | 0.44% | 1,864 | 4 | City |
| Mullica | 23 | 5,916 | 5,805 | 0.65% | 105 | 56 | Township |
| Margate City | 24 | 5,286 | 5,297 | 0.9% | 3,733 | 1 | City |
| Margate City | 25 | 5,224 | 5,297 | -0.29% | 3,689 | 1 | City |
| Buena | 26 | 4,587 | 4,514 | 0.7% | 606 | 8 | Borough |
| Buena | 27 | 4,565 | 4,514 | 0.22% | 603 | 8 | Borough |
| Egg Harbor City | 28 | 4,472 | 4,382 | 0.68% | 412 | 11 | City |
| Egg Harbor City | 29 | 4,457 | 4,382 | 0.34% | 411 | 11 | City |
| Weymouth | 30 | 2,865 | 2,643 | 3.73% | 242 | 12 | Township |
| Folsom | 31 | 1,855 | 1,805 | 0.82% | 224 | 8 | Borough |
| Folsom | 32 | 1,848 | 1,805 | 0.43% | 224 | 8 | Borough |
| Estell Manor | 33 | 1,715 | 1,660 | 0.94% | 32 | 53 | City |
| Estell Manor | 34 | 1,708 | 1,660 | 0.53% | 32 | 53 | City |
| Port Republic | 35 | 1,139 | 1,103 | 0.71% | 153 | 7 | City |
| Port Republic | 36 | 1,138 | 1,103 | 0.62% | 153 | 7 | City |
| Longport | 37 | 885 | 895 | 0.11% | 2,241 | 0 | Borough |
| Longport | 38 | 881 | 895 | -0.34% | 2,230 | 0 | Borough |
| Corbin City | 39 | 489 | 474 | 0.62% | 64 | 8 | City |
| Corbin City | 40 | 488 | 474 | 0.41% | 63 | 8 | City |
Egg Harbor is the largest city in Atlantic County, with a population of 48,907.
Corbin City is the smallest city in Atlantic County, with a population of 488.
There are 40 cities in Atlantic County, New Jersey.