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 |
|---|---|---|---|---|---|---|---|
| St. Petersburg | 1 | 264,982 | 259,266 | 0.54% | 4,287 | 61.8 | City |
| Clearwater | 2 | 116,689 | 117,333 | -0.14% | 4,458 | 26.2 | City |
| Largo | 3 | 82,131 | 82,597 | -0.14% | 4,409 | 18.6 | City |
| Palm Harbor | 4 | 62,281 | 61,787 | 0.56% | 3,588 | 17.4 | CDP |
| Pinellas Park | 5 | 53,481 | 53,381 | 0.05% | 3,311 | 16.2 | City |
| Dunedin | 6 | 35,884 | 36,066 | -0.13% | 3,421 | 10.5 | City |
| East Lake | 7 | 34,074 | 32,382 | 0.66% | 1,189 | 28.6 | CDP |
| Tarpon Springs | 8 | 26,114 | 25,146 | 0.94% | 2,820 | 9.3 | City |
| Lealman | 9 | 21,463 | 21,621 | 0.53% | 5,335 | 4.0 | CDP |
| Seminole | 10 | 19,200 | 19,406 | -0.27% | 3,702 | 5.2 | City |
| Safety Harbor | 11 | 16,923 | 17,049 | -0.19% | 3,436 | 4.9 | City |
| Oldsmar | 12 | 14,801 | 14,920 | -0.2% | 1,655 | 8.9 | City |
| West Lealman | 13 | 14,048 | 14,304 | -0.8% | 4,465 | 3.1 | CDP |
| Gulfport | 14 | 11,617 | 11,768 | -0.33% | 4,201 | 2.8 | City |
| Bardmoor | 15 | 9,851 | 9,650 | 0.09% | 4,496 | 2.2 | CDP |
| St. Pete Beach | 16 | 8,686 | 8,868 | -0.53% | 4,086 | 2.1 | City |
| Treasure Island | 17 | 6,504 | 6,575 | -0.28% | 4,207 | 1.5 | City |
| South Highpoint | 18 | 5,347 | 5,844 | 0.21% | 6,335 | 0.8 | CDP |
| South Pasadena | 19 | 5,268 | 5,348 | -0.38% | 8,636 | 0.6 | City |
| Kenneth City | 20 | 4,950 | 5,050 | -0.5% | 6,933 | 0.7 | Town |
| Belleair | 21 | 4,566 | 4,282 | 1.58% | 2,638 | 1.7 | Town |
| Tierra Verde | 22 | 4,130 | 4,013 | 0.71% | 3,336 | 1.2 | CDP |
| Madeira Beach | 23 | 4,035 | 3,890 | 0.9% | 4,109 | 1.0 | City |
| Indian Rocks Beach | 24 | 3,629 | 3,672 | -0.3% | 4,295 | 0.8 | City |
| Feather Sound | 25 | 3,267 | 3,466 | -0.34% | 1,152 | 2.8 | CDP |
| Ridgecrest | 26 | 3,097 | 3,865 | 1.27% | 3,488 | 0.9 | CDP |
| Harbor Bluffs | 27 | 2,894 | 3,116 | 0.1% | 4,176 | 0.7 | CDP |
| Bay Pines | 28 | 2,681 | 2,755 | -0.67% | 2,067 | 1.3 | CDP |
| Greenbriar | 29 | 2,332 | 2,764 | -0.51% | 4,007 | 0.6 | CDP |
| Belleair Bluffs | 30 | 2,277 | 2,312 | -0.39% | 4,950 | 0.5 | City |
| Redington Shores | 31 | 2,159 | 2,177 | -0.23% | 6,542 | 0.3 | Town |
| Bear Creek | 32 | 2,086 | 2,114 | 0.48% | 5,390 | 0.4 | CDP |
| Belleair Beach | 33 | 1,611 | 1,633 | -0.37% | 3,377 | 0.5 | City |
| North Redington Beach | 34 | 1,464 | 1,482 | -0.34% | 5,609 | 0.3 | Town |
| Redington Beach | 35 | 1,371 | 1,378 | -0.15% | 3,819 | 0.4 | Town |
| Indian Shores | 36 | 1,191 | 1,193 | -0.08% | 3,566 | 0.3 | Town |
| Belleair Shore | 37 | 74 | 76 | -1.33% | 1,254 | 0.1 | 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.
St. Petersburg is the largest city in Pinellas County.
Belleair Shore is the smallest city in Pinellas County.
There are 37 cities in Pinellas County, Florida.