| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wyoming | 1 | 1,280 | 1,296 | -0.54% | 1,499 | 1 | City |
| Toulon | 2 | 1,166 | 1,184 | -0.51% | 1,147 | 1 | City |
| Bradford | 3 | 661 | 677 | -0.75% | 1,661 | 0 | Village |
| La Fayette | 4 | 156 | 159 | -0.64% | 825 | 0 | Village |
Wyoming is the largest city in Stark County, with a population of 1,280.
La Fayette is the smallest city in Stark County, with a population of 156.
There are 4 cities in Stark County, Illinois.