10 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Athens | 1 | 2,144 | 2,105 | -0.28% | 28 | 76 | Township |
| Cooper | 2 | 1,760 | 1,718 | -0.06% | 25 | 69 | Township |
| Albany | 3 | 1,728 | 1,674 | 0.52% | 708 | 2 | City |
| Stanberry | 4 | 1,167 | 1,127 | 0.6% | 832 | 1 | City |
| King City | 5 | 849 | 797 | 1.07% | 614 | 1 | City |
| Wilson | 6 | 346 | 339 | -0.29% | 7 | 49 | Township |
| Bogle | 7 | 172 | 169 | 0% | 4 | 44 | Township |
| Howard | 8 | 100 | 98 | 0% | 3 | 40 | Township |
| Darlington | 9 | 66 | 66 | 0% | 161 | 0 | Village |
| Gentry | 10 | 54 | 53 | 0% | 235 | 0 | Village |
Athens is the largest city in Gentry County, with a population of 2,144.
Gentry is the smallest city in Gentry County, with a population of 54.
There are 10 cities in Gentry County, Missouri.