3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ellington | 1 | 760 | 792 | -0.78% | 520 | 1.46 | City |
| Bunker | 2 | 295 | 299 | -0.34% | 445 | 0.66 | City |
| Centerville | 3 | 161 | 168 | -0.62% | 505 | 0.32 | City |
Ellington is the largest city in Reynolds County, with a population of 760.
Centerville is the smallest city in Reynolds County.
There are 3 cities in Reynolds County, Missouri.