21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Vero Beach South | 1 | 31,683 | 28,676 | 1.84% | 2,688 | 12 | CDP |
| Sebastian | 2 | 27,577 | 25,034 | 1.81% | 1,958 | 14 | City |
| Sebastian | 3 | 27,577 | 25,125 | 1.81% | 1,958 | 14 | City |
| Florida Ridge | 4 | 23,645 | 21,081 | 1.57% | 2,200 | 11 | CDP |
| Vero Beach | 5 | 17,838 | 16,357 | 1.61% | 1,551 | 11 | City |
| Vero Beach | 6 | 17,838 | 16,426 | 1.61% | 1,551 | 11 | City |
| West Vero Corridor | 7 | 11,109 | 10,507 | 2.44% | 1,897 | 6 | CDP |
| Vero Lake Estates | 8 | 8,392 | 6,937 | 7.14% | 2,486 | 3 | CDP |
| Fellsmere | 9 | 5,076 | 4,830 | 0.95% | 88 | 58 | City |
| Fellsmere | 10 | 5,076 | 4,834 | 0.95% | 88 | 58 | City |
| Winter Beach | 11 | 4,824 | 3,368 | 3.94% | 701 | 7 | CDP |
| Indian River Shores | 12 | 4,518 | 4,246 | 1.16% | 882 | 5 | Town |
| Indian River Shores | 13 | 4,518 | 4,255 | 1.16% | 882 | 5 | Town |
| Gifford | 14 | 3,688 | 4,481 | -9.63% | 1,357 | 3 | CDP |
| South Beach | 15 | 3,025 | 3,296 | -1.01% | 1,113 | 3 | CDP |
| Wabasso Beach | 16 | 2,163 | 1,885 | 0.98% | 1,786 | 1 | CDP |
| Roseland | 17 | 1,353 | 1,554 | -0.59% | 715 | 2 | CDP |
| Wabasso | 18 | 1,322 | 690 | 3.77% | 359 | 4 | CDP |
| Orchid | 19 | 552 | 516 | 1.28% | 447 | 1 | Town |
| Orchid | 20 | 552 | 516 | 1.28% | 447 | 1 | Town |
| Windsor | 21 | 231 | 377 | -0.86% | 264 | 1 | CDP |
Vero Beach South is the largest city in Indian River County, with a population of 31,683.
Windsor is the smallest city in Indian River County, with a population of 231.
There are 21 cities in Indian River County, Florida.