23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Harrison | 1 | 49,192 | 48,920 | 0.21% | 2,163 | 23 | Township |
| Honey Creek | 2 | 17,393 | 17,408 | -0.05% | 515 | 34 | Township |
| Lost Creek | 3 | 11,284 | 11,240 | 0.11% | 320 | 35 | Township |
| Otter Creek | 4 | 8,960 | 9,007 | -0.13% | 254 | 35 | Township |
| Sugar Creek | 5 | 7,137 | 7,158 | -0.08% | 158 | 45 | Township |
| North Terre Haute | 6 | 4,485 | 4,371 | 0.27% | 1,252 | 4 | CDP |
| Riley | 7 | 3,156 | 3,168 | -0.09% | 90 | 35 | Township |
| Fayette | 8 | 2,710 | 2,730 | -0.22% | 68 | 40 | Township |
| West Terre Haute | 9 | 2,147 | 2,157 | -0.09% | 2,851 | 1 | Town |
| Nevins | 10 | 1,817 | 1,828 | -0.16% | 59 | 31 | Township |
| Lewis | 11 | 1,363 | 1,351 | 0.29% | 31 | 44 | Township |
| Pierson | 12 | 1,223 | 1,234 | -0.24% | 35 | 35 | Township |
| Prairieton | 13 | 1,120 | 1,120 | 0% | 65 | 17 | Township |
| Prairie Creek | 14 | 1,058 | 1,063 | -0.09% | 28 | 38 | Township |
| Seelyville | 15 | 1,009 | 1,009 | 0% | 1,136 | 1 | Town |
| Tecumseh | 16 | 834 | 778 | 1.46% | 322 | 3 | CDP |
| St. Mary Woods | 17 | 781 | 819 | -0.13% | 630 | 1 | CDP |
| New Goshen | 18 | 631 | 369 | 2.6% | 1,328 | 0 | CDP |
| Riley | 19 | 237 | 237 | 0% | 2,633 | 0 | Town |
| Toad Hop | 20 | 126 | 179 | 1.61% | 829 | 0 | CDP |
| Shepardsville | 21 | 86 | 117 | -10.42% | 94 | 1 | CDP |
| Fontanet | 22 | 79 | 468 | -22.55% | 77 | 1 | CDP |
| Dresser | 23 | 40 | 37 | -9.09% | 265 | 0 | CDP |
Harrison is the largest city in Vigo County, with a population of 49,192.
Dresser is the smallest city in Vigo County, with a population of 40.
There are 23 cities in Vigo County, Indiana.