39 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Danville | 1 | 27,408 | 29,127 | -1.03% | 1,535 | 18 | City |
| Danville | 2 | 25,991 | 27,362 | -0.63% | 526 | 49 | Township |
| Newell | 3 | 13,155 | 13,852 | -0.58% | 263 | 50 | Township |
| Georgetown | 4 | 7,001 | 7,401 | -0.7% | 273 | 26 | Township |
| Grant | 5 | 5,300 | 5,609 | -0.67% | 61 | 87 | Township |
| Hoopeston | 6 | 4,586 | 4,900 | -1.12% | 1,244 | 4 | City |
| Blount | 7 | 3,095 | 3,257 | -0.58% | 60 | 51 | Township |
| Oakwood | 8 | 3,004 | 3,168 | -0.63% | 47 | 64 | Township |
| Catlin | 9 | 2,975 | 3,118 | -0.53% | 60 | 50 | Township |
| Westville | 10 | 2,969 | 3,166 | -1.1% | 1,769 | 2 | Village |
| Georgetown | 11 | 2,935 | 3,133 | -1.11% | 1,816 | 2 | City |
| Tilton | 12 | 2,481 | 2,637 | -1.04% | 653 | 4 | Village |
| Catlin | 13 | 1,885 | 1,987 | -0.89% | 2,220 | 1 | Village |
| Ross | 14 | 1,396 | 1,479 | -0.85% | 32 | 44 | Township |
| Middlefork | 15 | 1,275 | 1,350 | -0.78% | 20 | 64 | Township |
| Oakwood | 16 | 1,251 | 1,323 | -0.95% | 1,348 | 1 | Village |
| Rossville | 17 | 1,135 | 1,216 | -1.13% | 812 | 1 | Village |
| Vance | 18 | 961 | 1,013 | -0.52% | 24 | 40 | Township |
| South Ross | 19 | 917 | 964 | -0.43% | 17 | 54 | Township |
| Sidell | 20 | 853 | 907 | -0.81% | 20 | 43 | Township |
| Ridge Farm | 21 | 735 | 789 | -1.21% | 241 | 3 | Village |
| McKendree | 22 | 711 | 746 | -0.56% | 24 | 29 | Township |
| Potomac | 23 | 641 | 685 | -1.08% | 1,314 | 0 | Village |
| Fairmount | 24 | 576 | 614 | -1.03% | 1,817 | 0 | Village |
| Bismarck | 25 | 562 | 583 | -0.53% | 756 | 1 | Village |
| Pilot | 26 | 505 | 533 | -0.59% | 8 | 62 | Township |
| Carroll | 27 | 481 | 507 | -0.62% | 13 | 37 | Township |
| Rankin | 28 | 464 | 494 | -1.07% | 801 | 1 | Village |
| Fithian | 29 | 463 | 493 | -1.07% | 1,209 | 0 | Village |
| Sidell | 30 | 456 | 489 | -1.08% | 492 | 1 | Village |
| Belgium | 31 | 337 | 358 | -0.88% | 776 | 0 | Village |
| Allerton | 32 | 247 | 265 | -1.2% | 364 | 1 | Village |
| Love | 33 | 222 | 234 | -0.45% | 11 | 20 | Township |
| Alvan (Alvin) | 34 | 219 | 234 | -0.9% | 276 | 1 | Village |
| Indianola | 35 | 215 | 227 | -0.92% | 554 | 0 | Village |
| Henning | 36 | 197 | 209 | -1.01% | 129 | 2 | Village |
| Jamaica | 37 | 170 | 185 | -1.73% | 5 | 31 | Township |
| Fairmount | 38 | 155 | 159 | -0.64% | 4 | 38 | Township |
| Muncie | 39 | 144 | 156 | -1.37% | 804 | 0 | Village |
Danville is the largest city in Vermilion County, with a population of 27,408.
Muncie is the smallest city in Vermilion County, with a population of 144.
There are 39 cities in Vermilion County, Illinois.