23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rogers | 1 | 76,493 | 70,348 | 1.63% | 1,967 | 38.90 | City |
| Bentonville | 2 | 62,570 | 54,822 | 2.54% | 1,765 | 35.44 | City |
| Bella Vista | 3 | 33,807 | 30,209 | 2.18% | 746 | 45.30 | City |
| Centerton | 4 | 27,761 | 18,240 | 7.36% | 1,945 | 14.27 | City |
| Siloam Springs | 5 | 20,550 | 17,515 | 3.04% | 1,705 | 12.06 | City |
| Lowell | 6 | 12,494 | 9,924 | 4.29% | 1,296 | 9.64 | City |
| Pea Ridge | 7 | 10,024 | 6,664 | 7.19% | 1,251 | 8.01 | City |
| Cave Springs | 8 | 6,395 | 5,610 | 2.52% | 826 | 7.74 | City |
| Gentry | 9 | 4,847 | 3,851 | 4.28% | 857 | 5.66 | City |
| Gravette | 10 | 3,872 | 3,567 | 1.6% | 253 | 15.29 | City |
| Little Flock | 11 | 3,022 | 3,059 | -0.23% | 402 | 7.51 | City |
| Highfill | 12 | 2,920 | 1,662 | 9.45% | 162 | 18.03 | Town |
| Prairie Creek | 13 | 2,457 | 2,176 | 1.07% | 562 | 4.37 | CDP |
| Decatur | 14 | 1,686 | 1,788 | -1.17% | 355 | 4.75 | City |
| Sulphur Springs | 15 | 1,124 | 1,320 | 0.18% | 203 | 5.53 | CDP |
| Garfield | 16 | 618 | 598 | 0.65% | 200 | 3.09 | Town |
| Avoca | 17 | 479 | 486 | -0.21% | 248 | 1.93 | Town |
| Sulphur Springs | 18 | 459 | 481 | -0.86% | 454 | 1.01 | City |
| Gateway | 19 | 449 | 436 | 0.67% | 68 | 6.56 | Town |
| Lost Bridge Village | 20 | 253 | 244 | -4.53% | 78 | 3.23 | CDP |
| Maysville | 21 | 245 | 329 | 3.38% | 104 | 2.35 | CDP |
| Springtown | 22 | 92 | 86 | 1.1% | 170 | 0.54 | Town |
| Cherokee City | 23 | 39 | 57 | 8.33% | 83 | 0.47 | CDP |
Rogers is the largest city in Benton County, with a population of 76,493.
Cherokee City is the smallest city in Benton County.
There are 23 cities in Benton County, Arkansas.