Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Egg Harbor township | 1 | 47,828 | 47,769 | -0.07% | 713 | 67.0 | Township |
| Atlantic City | 2 | 38,432 | 38,417 | -0.08% | 3,572 | 10.8 | City |
| Galloway township | 3 | 37,905 | 37,773 | 0.08% | 427 | 88.7 | Township |
| Hamilton township | 4 | 28,342 | 27,496 | 0.27% | 256 | 110.9 | Township |
| Pleasantville | 5 | 20,585 | 20,594 | -0.14% | 3,598 | 5.7 | City |
| Hammonton | 6 | 14,775 | 14,693 | -0.15% | 363 | 40.7 | Town |
| Somers Point | 7 | 10,448 | 10,457 | -0.16% | 2,605 | 4.0 | City |
| Ventnor City | 8 | 9,215 | 9,195 | -0.12% | 4,714 | 2.0 | City |
| Absecon | 9 | 9,121 | 9,116 | -0.1% | 1,649 | 5.5 | City |
| Northfield | 10 | 8,412 | 8,424 | -0.17% | 2,348 | 3.6 | City |
| Brigantine | 11 | 7,553 | 7,707 | -0.65% | 1,158 | 6.5 | City |
| Buena Vista township | 12 | 7,096 | 7,028 | 0.08% | 173 | 41.1 | Township |
| Linwood | 13 | 6,954 | 6,946 | -0.04% | 1,825 | 3.8 | City |
| Mullica township | 14 | 5,793 | 5,804 | -0.15% | 103 | 56.4 | Township |
| Margate City | 15 | 5,140 | 5,300 | -0.43% | 3,630 | 1.4 | City |
| Buena borough | 16 | 4,475 | 4,508 | -0.31% | 591 | 7.6 | Borough |
| Egg Harbor City | 17 | 4,378 | 4,383 | -0.16% | 403 | 10.9 | City |
| Weymouth township | 18 | 2,638 | 2,643 | -0.15% | 223 | 11.8 | Township |
| Folsom borough | 19 | 1,815 | 1,805 | 0.11% | 220 | 8.3 | Borough |
| Estell Manor | 20 | 1,676 | 1,666 | -0.18% | 31 | 53.4 | City |
| Port Republic | 21 | 1,107 | 1,097 | -0.18% | 148 | 7.5 | City |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Egg Harbor township is the largest city in Atlantic County.
Port Republic is the smallest city in Atlantic County.
There are 21 cities in Atlantic County, New Jersey.