3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ellington | 1 | 753 | 791 | -0.79% | 515 | 1 | City |
| Bunker | 2 | 296 | 299 | 0% | 446 | 1 | City |
| Centerville | 3 | 161 | 167 | -0.62% | 505 | 0 | City |
Ellington is the largest city in Reynolds County, with a population of 753.
Centerville is the smallest city in Reynolds County, with a population of 161.
There are 3 cities in Reynolds County, Missouri.