| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| West Palm Beach | 1 | 129,656 | 117,493 | 1.94% | 2,407 | 54 | City |
| Boca Raton | 2 | 102,502 | 98,240 | 0.91% | 3,513 | 29 | City |
| Boynton Beach | 3 | 82,960 | 80,473 | 0.68% | 5,141 | 16 | City |
| Delray Beach | 4 | 70,560 | 66,821 | 1.08% | 4,431 | 16 | City |
| Palm Beach Gardens | 5 | 64,797 | 59,242 | 1.43% | 1,094 | 59 | City |
| Wellington | 6 | 62,982 | 61,560 | 0.51% | 1,398 | 45 | Village |
| Jupiter | 7 | 62,701 | 61,163 | 0.56% | 2,899 | 22 | Town |
| Greenacres | 8 | 44,971 | 44,002 | 0.53% | 7,433 | 6 | City |
| Lake Worth Beach | 9 | 44,436 | 42,244 | 1.06% | 7,540 | 6 | City |
| Royal Palm Beach | 10 | 43,019 | 39,511 | 1.28% | 3,792 | 11 | Village |
| Riviera Beach | 11 | 39,819 | 37,637 | 1.17% | 4,810 | 8 | City |
| Palm Springs | 12 | 28,686 | 26,894 | 1.35% | 6,819 | 4 | Village |
| Belle Glade | 13 | 17,386 | 16,717 | 0.84% | 2,493 | 7 | City |
| North Palm Beach | 14 | 13,374 | 13,139 | 0.41% | 4,096 | 3 | Village |
| Lantana | 15 | 12,660 | 11,658 | 1.69% | 5,349 | 2 | Town |
| Westlake | 16 | 10,675 | 1,048 | 18.06% | 1,677 | 6 | City |
| Palm Beach | 17 | 9,476 | 9,238 | 0.56% | 2,496 | 4 | Town |
| Lake Park | 18 | 9,151 | 9,059 | 0.28% | 4,389 | 2 | Town |
| Pahokee | 19 | 5,868 | 5,513 | 1.28% | 1,104 | 5 | City |
| South Bay | 20 | 5,174 | 5,002 | 0.66% | 1,808 | 3 | City |
| Highland Beach | 21 | 4,342 | 4,293 | 0.32% | 8,086 | 1 | Town |
| Juno Beach | 22 | 3,960 | 3,850 | 0.64% | 1,939 | 2 | Town |
| Lake Clarke Shores | 23 | 3,609 | 3,564 | 0.33% | 3,910 | 1 | Town |
| Loxahatchee Groves | 24 | 3,596 | 3,361 | 1.32% | 287 | 13 | Town |
| Hypoluxo | 25 | 3,011 | 2,691 | 1.93% | 5,310 | 1 | Town |
| Mangonia Park | 26 | 2,788 | 2,151 | 4.54% | 3,727 | 1 | Town |
| Haverhill | 27 | 2,324 | 2,164 | 0.43% | 3,677 | 1 | Town |
| Atlantis | 28 | 2,147 | 2,121 | 0.33% | 1,571 | 1 | City |
| Ocean Ridge | 29 | 1,880 | 1,828 | 0.64% | 2,470 | 1 | Town |
| South Palm Beach | 30 | 1,492 | 1,479 | 0.27% | 13,944 | 0 | Town |
| Palm Beach Shores | 31 | 1,354 | 1,338 | 0.3% | 4,621 | 0 | Town |
| Gulf Stream | 32 | 995 | 954 | 0.91% | 1,266 | 1 | Town |
| Briny Breezes | 33 | 538 | 509 | 0.94% | 9,439 | 0 | Town |
| Manalapan | 34 | 449 | 423 | 0.9% | 1,004 | 0 | Town |
| Golf | 35 | 274 | 258 | 1.11% | 333 | 1 | Village |
| Glen Ridge | 36 | 218 | 216 | 0.46% | 1,275 | 0 | Town |
| Cloud Lake | 37 | 142 | 137 | 0.71% | 2,630 | 0 | Town |
West Palm Beach is the largest city in Palm Beach County, with a population of 129,656.
Cloud Lake is the smallest city in Palm Beach County, with a population of 142.
There are 37 cities in Palm Beach County, Florida.