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 |
|---|---|---|---|---|---|---|---|
| Golden Gate | 1 | 30,306 | 30,376 | 1.52% | 7,761 | 3.9 | CDP |
| Immokalee | 2 | 28,353 | 28,060 | 1.07% | 1,248 | 22.7 | CDP |
| Naples | 3 | 19,894 | 19,134 | 0.96% | 1,617 | 12.3 | City |
| Marco Island | 4 | 16,359 | 15,763 | 0.92% | 1,346 | 12.2 | City |
| Lely Resort | 5 | 7,982 | 6,559 | 3.09% | 1,600 | 5.0 | CDP |
| Ave Maria | 6 | 6,878 | 4,110 | 7.7% | 660 | 10.4 | CDP |
| Pelican Bay | 7 | 6,386 | 6,257 | 0.05% | 2,167 | 2.9 | CDP |
| Naples Manor | 8 | 5,935 | 6,391 | 0.44% | 8,677 | 0.7 | CDP |
| Naples Park | 9 | 5,072 | 6,151 | -1.25% | 4,124 | 1.2 | CDP |
| Orangetree | 10 | 5,016 | 4,231 | 0.86% | 1,379 | 3.6 | CDP |
| Vineyards | 11 | 3,695 | 3,407 | 0.63% | 1,889 | 2.0 | CDP |
| Lely | 12 | 3,564 | 3,553 | 0.22% | 2,598 | 1.4 | CDP |
| Verona Walk | 13 | 3,201 | 2,630 | 3.29% | 2,542 | 1.3 | CDP |
| Berkshire Lakes | 14 | 2,889 | 2,476 | 7.72% | 4,397 | 0.7 | CDP |
| Pelican Marsh | 15 | 2,688 | 2,257 | 7.69% | 1,383 | 1.9 | CDP |
| Island Walk | 16 | 2,620 | 2,802 | -1.09% | 2,561 | 1.0 | CDP |
| Pine Ridge | 17 | 1,594 | 1,769 | -1.42% | 947 | 1.7 | CDP |
| Chokoloskee | 18 | 1,178 | 1,136 | 5.18% | 5,283 | 0.2 | CDP |
| Winding Cypress | 19 | 1,078 | 415 | 7.69% | 582 | 1.9 | CDP |
| Heritage Bay | 20 | 1,026 | 1,273 | 7.77% | 1,552 | 0.7 | CDP |
| Marco Shores-Hammock Bay | 21 | 720 | 724 | 7.78% | 812 | 0.9 | CDP |
| Everglades | 22 | 393 | 356 | 2.34% | 430 | 0.9 | City |
| Goodland | 23 | 136 | 217 | -6.85% | 883 | 0.2 | CDP |
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.
Golden Gate is the largest city in Collier County.
Goodland is the smallest city in Collier County.
There are 23 cities in Collier County, Florida.