20 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Athens | 1 | 2,150 | 2,115 | -0.28% | 28 | 76 | Township |
| Athens | 2 | 2,150 | 2,105 | -0.28% | 28 | 76 | Township |
| Cooper | 3 | 1,761 | 1,726 | -0.06% | 25 | 69 | Township |
| Cooper | 4 | 1,761 | 1,718 | -0.06% | 25 | 69 | Township |
| Albany | 5 | 1,719 | 1,682 | 0.53% | 704 | 2 | City |
| Albany | 6 | 1,719 | 1,674 | 0.53% | 704 | 2 | City |
| Stanberry | 7 | 1,160 | 1,132 | 0.52% | 827 | 1 | City |
| Stanberry | 8 | 1,160 | 1,127 | 0.52% | 827 | 1 | City |
| King City | 9 | 840 | 801 | 0.96% | 608 | 1 | City |
| King City | 10 | 840 | 797 | 0.96% | 608 | 1 | City |
| Wilson | 11 | 347 | 341 | -0.29% | 7 | 49 | Township |
| Wilson | 12 | 347 | 339 | -0.29% | 7 | 49 | Township |
| Bogle | 13 | 172 | 169 | 0% | 4 | 44 | Township |
| Bogle | 14 | 172 | 169 | 0% | 4 | 44 | Township |
| Howard | 15 | 100 | 98 | 0% | 3 | 40 | Township |
| Howard | 16 | 100 | 98 | 0% | 3 | 40 | Township |
| Darlington | 17 | 66 | 66 | 0% | 161 | 0 | Village |
| Darlington | 18 | 66 | 66 | 0% | 161 | 0 | Village |
| Gentry | 19 | 54 | 53 | 0% | 235 | 0 | Village |
| Gentry | 20 | 54 | 53 | 0% | 235 | 0 | Village |
Athens is the largest city in Gentry County, with a population of 2,150.
Gentry is the smallest city in Gentry County, with a population of 54.
There are 20 cities in Gentry County, Missouri.