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 |
|---|---|---|---|---|---|---|---|
| Leland | 1 | 32,768 | 23,863 | 7.29% | 1,468 | 22.3 | Town |
| Oak Island | 2 | 9,811 | 8,485 | 3.49% | 509 | 19.3 | Town |
| St. James | 3 | 7,717 | 6,619 | 3.68% | 847 | 9.1 | Town |
| Boiling Spring Lakes | 4 | 6,885 | 5,975 | 3.41% | 286 | 24.1 | City |
| Carolina Shores | 5 | 5,536 | 4,620 | 4.32% | 1,928 | 2.9 | Town |
| Shallotte | 6 | 5,493 | 4,205 | 6.23% | 594 | 9.2 | Town |
| Sunset Beach | 7 | 4,654 | 4,214 | 2.42% | 668 | 7.0 | Town |
| Southport | 8 | 4,488 | 4,044 | 2.54% | 1,121 | 4.0 | City |
| Calabash | 9 | 2,566 | 2,033 | 5.47% | 566 | 4.5 | Town |
| Belville | 10 | 2,431 | 2,415 | 0.17% | 1,427 | 1.7 | Town |
| Navassa | 11 | 1,850 | 1,397 | 6.5% | 139 | 13.3 | Town |
| Northwest | 12 | 1,104 | 707 | 9.85% | 154 | 7.2 | City |
| Ocean Isle Beach | 13 | 1,016 | 872 | 3.67% | 272 | 3.7 | Town |
| Holden Beach | 14 | 944 | 922 | 0.53% | 311 | 3.0 | Town |
| Varnamtown | 15 | 539 | 533 | 0.19% | 611 | 0.9 | Town |
| Caswell Beach | 16 | 396 | 394 | 0% | 133 | 3.0 | Town |
| Sandy Creek | 17 | 315 | 254 | 5% | 221 | 1.4 | Town |
| Bald Head Island | 18 | 286 | 264 | 1.78% | 73 | 3.9 | Village |
| Bolivia | 19 | 251 | 153 | 10.57% | 395 | 0.6 | Town |
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.
Leland is the largest city in Brunswick County.
Bolivia is the smallest city in Brunswick County.
There are 19 cities in Brunswick County, North Carolina.