47 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 |
| Villas | 6 | 10,036 | 9,697 | 0.37% | 2,571 | 4 | CDP |
| Dennis | 7 | 6,040 | 6,273 | -0.95% | 100 | 60 | Township |
| Cape May Court House | 8 | 5,612 | 4,776 | 0.32% | 648 | 9 | CDP |
| Wildwood | 9 | 5,088 | 5,137 | -0.2% | 3,302 | 2 | City |
| Wildwood | 10 | 5,072 | 5,137 | -0.51% | 3,291 | 2 | City |
| North Cape May | 11 | 3,984 | 3,749 | 1.3% | 1,986 | 2 | CDP |
| Palermo | 12 | 3,748 | 2,614 | 7.15% | 1,204 | 3 | CDP |
| North Wildwood | 13 | 3,539 | 3,616 | -0.45% | 2,052 | 2 | City |
| Rio Grande | 14 | 3,538 | 2,759 | 1.67% | 1,310 | 3 | CDP |
| North Wildwood | 15 | 3,525 | 3,616 | -0.84% | 2,043 | 2 | City |
| Seaville | 16 | 3,165 | 2,353 | 7.14% | 964 | 3 | CDP |
| Whitesboro | 17 | 3,121 | 2,588 | 7.14% | 882 | 4 | CDP |
| Wildwood Crest | 18 | 3,021 | 3,096 | -0.49% | 2,327 | 1 | Borough |
| Wildwood Crest | 19 | 3,008 | 3,096 | -0.92% | 2,317 | 1 | Borough |
| Cape May | 20 | 2,735 | 2,769 | -0.26% | 1,106 | 2 | City |
| Cape May | 21 | 2,721 | 2,769 | -0.77% | 1,100 | 2 | City |
| Marmora | 22 | 2,691 | 2,519 | 7.13% | 1,340 | 2 | CDP |
| Sea Isle City | 23 | 2,127 | 2,102 | 0.24% | 965 | 2 | City |
| Sea Isle City | 24 | 2,123 | 2,102 | 0.05% | 963 | 2 | City |
| Woodbine | 25 | 2,120 | 2,127 | -0.09% | 264 | 8 | Borough |
| Woodbine | 26 | 2,109 | 2,127 | -0.61% | 263 | 8 | Borough |
| Erma | 27 | 1,771 | 2,036 | -1.39% | 607 | 3 | CDP |
| Beesleys Point | 28 | 1,766 | 1,143 | 7.16% | 829 | 2 | CDP |
| South Dennis | 29 | 1,719 | 1,603 | 7.17% | 277 | 6 | CDP |
| Avalon | 30 | 1,214 | 1,238 | -0.16% | 284 | 4 | Borough |
| Avalon | 31 | 1,210 | 1,238 | -0.49% | 283 | 4 | Borough |
| Ocean View | 32 | 1,122 | 612 | 7.06% | 386 | 3 | CDP |
| Dennisville | 33 | 1,030 | 904 | 7.18% | 234 | 4 | CDP |
| West Cape May | 34 | 992 | 1,007 | -0.3% | 846 | 1 | Borough |
| West Cape May | 35 | 987 | 1,007 | -0.8% | 841 | 1 | Borough |
| South Seaville | 36 | 920 | 465 | 7.1% | 386 | 2 | CDP |
| Stone Harbor | 37 | 782 | 791 | -0.26% | 551 | 1 | Borough |
| Stone Harbor | 38 | 777 | 791 | -0.89% | 547 | 1 | Borough |
| West Wildwood | 39 | 534 | 542 | -0.37% | 1,867 | 0 | Borough |
| West Wildwood | 40 | 530 | 542 | -1.12% | 1,853 | 0 | Borough |
| Goshen | 41 | 334 | 170 | 7.05% | 191 | 2 | CDP |
| Cape May Point | 42 | 296 | 301 | -0.34% | 1,003 | 0 | Borough |
| Cape May Point | 43 | 295 | 301 | -0.67% | 1,000 | 0 | Borough |
| Diamond Beach | 44 | 248 | 202 | 2.9% | 1,097 | 0 | CDP |
| Burleigh | 45 | 233 | 429 | -12.08% | 153 | 2 | CDP |
| Tuckahoe | 46 | 191 | 255 | 7.3% | 183 | 1 | CDP |
| Strathmere | 47 | 112 | 59 | -2.61% | 213 | 1 | CDP |
Lower is the largest city in Cape May County, with a population of 21,515.
Strathmere is the smallest city in Cape May County, with a population of 112.
There are 47 cities in Cape May County, New Jersey.