9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Winchester | 1 | 4,788 | 4,823 | -0.13% | 1,384 | 3 | City |
| Union City | 2 | 3,430 | 3,444 | -0.06% | 1,520 | 2 | City |
| Parker City | 3 | 1,269 | 1,275 | -0.08% | 2,207 | 1 | Town |
| Farmland | 4 | 1,258 | 1,263 | -0.08% | 2,369 | 1 | Town |
| Lynn | 5 | 942 | 953 | -0.21% | 1,667 | 1 | Town |
| Ridgeville | 6 | 687 | 687 | 0% | 1,238 | 1 | Town |
| Saratoga | 7 | 229 | 231 | 0% | 864 | 0 | Town |
| Losantville | 8 | 218 | 220 | 0% | 1,153 | 0 | Town |
| Modoc | 9 | 157 | 159 | 0% | 1,524 | 0 | Town |
Winchester is the largest city in Randolph County, with a population of 4,788.
Modoc is the smallest city in Randolph County, with a population of 157.
There are 9 cities in Randolph County, Indiana.