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 |
|---|---|---|---|---|---|---|---|
| Lower township | 1 | 21,691 | 22,002 | -0.89% | 792 | 27.4 | Township |
| Middle township | 2 | 19,903 | 20,309 | -1.39% | 283 | 70.2 | Township |
| Upper township | 3 | 12,432 | 12,515 | -0.62% | 200 | 62.0 | Township |
| Ocean City | 4 | 11,186 | 11,226 | -0.5% | 1,656 | 6.8 | City |
| Dennis township | 5 | 6,075 | 6,267 | -1.2% | 101 | 60.4 | Township |
| Wildwood | 6 | 5,121 | 5,137 | -0.04% | 3,323 | 1.5 | City |
| North Wildwood | 7 | 3,553 | 3,617 | -0.89% | 2,060 | 1.7 | City |
| Wildwood Crest borough | 8 | 3,036 | 3,096 | -0.88% | 2,339 | 1.3 | Borough |
| Cape May | 9 | 2,737 | 2,764 | -0.73% | 1,107 | 2.5 | City |
| Woodbine borough | 10 | 2,140 | 2,129 | 0.19% | 267 | 8.0 | Borough |
| Sea Isle City | 11 | 2,108 | 2,103 | -0.66% | 956 | 2.2 | City |
| Avalon borough | 12 | 1,217 | 1,238 | -0.08% | 285 | 4.3 | Borough |
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.
Lower township is the largest city in Cape May County.
Avalon borough is the smallest city in Cape May County.
There are 12 cities in Cape May County, New Jersey.