| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lower | 1 | 21,328 | 22,019 | -0.95% | 779 | 27 | Township |
| Middle | 2 | 19,921 | 20,292 | -0.35% | 284 | 70 | Township |
| Upper | 3 | 12,269 | 12,528 | -0.7% | 198 | 62 | Township |
| Ocean City | 4 | 10,969 | 11,223 | -1.19% | 1,624 | 7 | City |
| Dennis | 5 | 6,084 | 6,272 | -0.26% | 101 | 60 | Township |
| Wildwood | 6 | 5,028 | 5,139 | -0.79% | 3,263 | 2 | City |
| North Wildwood | 7 | 3,478 | 3,614 | -1.14% | 2,016 | 2 | City |
| Wildwood Crest | 8 | 2,960 | 3,095 | -1.33% | 2,280 | 1 | Borough |
| Cape May | 9 | 2,697 | 2,758 | -0.7% | 1,091 | 2 | City |
| Sea Isle City | 10 | 2,104 | 2,101 | -0.47% | 955 | 2 | City |
| Woodbine | 11 | 2,091 | 2,118 | -0.62% | 261 | 8 | Borough |
| Avalon | 12 | 1,192 | 1,238 | -1.08% | 279 | 4 | Borough |
| West Cape May | 13 | 973 | 999 | -0.82% | 829 | 1 | Borough |
| Stone Harbor | 14 | 770 | 791 | -1.03% | 542 | 1 | Borough |
| West Wildwood | 15 | 525 | 539 | -0.76% | 1,836 | 0 | Borough |
| Cape May Point | 16 | 297 | 303 | -0.34% | 1,007 | 0 | Borough |
Lower is the largest city in Cape May County, with a population of 21,328.
Cape May Point is the smallest city in Cape May County, with a population of 297.
There are 16 cities in Cape May County, New Jersey.