28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lower | 1 | 21,515 | 22,007 | -0.88% | 786 | 27 | Township |
| Middle | 2 | 19,695 | 20,306 | -1.25% | 280 | 70 | Township |
| Upper | 3 | 12,302 | 12,513 | -0.84% | 198 | 62 | Township |
| Ocean City | 4 | 11,217 | 11,226 | -0.02% | 1,661 | 7 | City |
| Ocean City | 5 | 11,194 | 11,226 | -0.22% | 1,658 | 7 | City |
| Dennis | 6 | 6,040 | 6,273 | -0.95% | 100 | 60 | Township |
| Wildwood | 7 | 5,088 | 5,137 | -0.2% | 3,302 | 2 | City |
| Wildwood | 8 | 5,072 | 5,137 | -0.51% | 3,291 | 2 | City |
| North Wildwood | 9 | 3,539 | 3,616 | -0.45% | 2,052 | 2 | City |
| North Wildwood | 10 | 3,525 | 3,616 | -0.84% | 2,043 | 2 | City |
| Wildwood Crest | 11 | 3,021 | 3,096 | -0.49% | 2,327 | 1 | Borough |
| Wildwood Crest | 12 | 3,008 | 3,096 | -0.92% | 2,317 | 1 | Borough |
| Cape May | 13 | 2,735 | 2,769 | -0.26% | 1,106 | 2 | City |
| Cape May | 14 | 2,721 | 2,769 | -0.77% | 1,100 | 2 | City |
| Sea Isle City | 15 | 2,127 | 2,102 | 0.24% | 965 | 2 | City |
| Sea Isle City | 16 | 2,123 | 2,102 | 0.05% | 963 | 2 | City |
| Woodbine | 17 | 2,120 | 2,127 | -0.09% | 264 | 8 | Borough |
| Woodbine | 18 | 2,109 | 2,127 | -0.61% | 263 | 8 | Borough |
| Avalon | 19 | 1,214 | 1,238 | -0.16% | 284 | 4 | Borough |
| Avalon | 20 | 1,210 | 1,238 | -0.49% | 284 | 4 | Borough |
| West Cape May | 21 | 992 | 1,007 | -0.3% | 846 | 1 | Borough |
| West Cape May | 22 | 987 | 1,007 | -0.8% | 841 | 1 | Borough |
| Stone Harbor | 23 | 782 | 791 | -0.26% | 551 | 1 | Borough |
| Stone Harbor | 24 | 777 | 791 | -0.89% | 547 | 1 | Borough |
| West Wildwood | 25 | 534 | 542 | -0.37% | 1,867 | 0 | Borough |
| West Wildwood | 26 | 530 | 542 | -1.12% | 1,853 | 0 | Borough |
| Cape May Point | 27 | 296 | 301 | -0.34% | 1,003 | 0 | Borough |
| Cape May Point | 28 | 295 | 301 | -0.67% | 1,000 | 0 | Borough |
Lower is the largest city in Cape May County, with a population of 21,515.
Cape May Point is the smallest city in Cape May County, with a population of 295.
There are 28 cities in Cape May County, New Jersey.