15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hillsboro | 1 | 9,032 | 8,209 | 1.86% | 831 | 10.87 | City |
| Whitney | 2 | 2,150 | 1,999 | 1.42% | 1,156 | 1.86 | Town |
| Itasca | 3 | 2,001 | 1,575 | 4.44% | 1,614 | 1.24 | City |
| Hubbard | 4 | 1,492 | 1,392 | 1.36% | 763 | 1.96 | City |
| Gholson | 5 | 1,252 | 1,194 | 0.97% | 150 | 8.36 | City |
| Blum | 6 | 421 | 383 | 1.94% | 426 | 0.99 | Town |
| Abbott | 7 | 372 | 352 | 1.09% | 628 | 0.59 | City |
| Mount Calm | 8 | 326 | 286 | 2.52% | 396 | 0.82 | City |
| Covington | 9 | 315 | 262 | 3.62% | 384 | 0.82 | City |
| Malone | 10 | 255 | 237 | 1.59% | 558 | 0.46 | Town |
| Carl's Corner | 11 | 224 | 199 | 2.28% | 71 | 3.13 | Town |
| Penelope | 12 | 191 | 180 | 1.06% | 193 | 0.99 | Town |
| Bynum | 13 | 181 | 170 | 1.12% | 1,351 | 0.13 | Town |
| Mertens | 14 | 161 | 148 | 1.9% | 370 | 0.43 | Town |
| Aquilla | 15 | 114 | 103 | 1.79% | 404 | 0.28 | City |
Hillsboro is the largest city in Hill County, with a population of 9,032.
Aquilla is the smallest city in Hill County.
There are 15 cities in Hill County, Texas.