17 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Garden City | 1 | 27,987 | 28,151 | -0.03% | 2,542 | 11 | City |
| Garden City | 2 | 27,987 | 28,032 | -0.03% | 2,542 | 11 | City |
| Garden City | 3 | 5,872 | 5,760 | 1.12% | 48 | 124 | Township |
| Garden City | 4 | 5,872 | 5,738 | 1.12% | 48 | 124 | Township |
| Sherlock | 5 | 3,000 | 2,981 | 0.94% | 19 | 162 | Township |
| Sherlock | 6 | 3,000 | 2,969 | 0.94% | 19 | 162 | Township |
| Holcomb | 7 | 2,242 | 2,249 | 0% | 1,812 | 1 | City |
| Holcomb | 8 | 2,242 | 2,241 | 0% | 1,812 | 1 | City |
| Ivanhoe | 9 | 507 | 501 | 1.2% | 4 | 142 | Township |
| Ivanhoe | 10 | 507 | 498 | 1.2% | 4 | 142 | Township |
| Pierceville | 11 | 476 | 472 | 0.63% | 3 | 146 | Township |
| Pierceville | 12 | 476 | 472 | 0.63% | 3 | 146 | Township |
| Terry | 13 | 166 | 163 | 1.84% | 1 | 143 | Township |
| Terry | 14 | 166 | 162 | 1.84% | 1 | 143 | Township |
| Pleasant Valley | 15 | 144 | 139 | 0.7% | 1 | 143 | Township |
| Pleasant Valley | 16 | 144 | 138 | 0.7% | 1 | 143 | Township |
| Shallow Water | 17 | 70 | 57 | 7.69% | 141 | 0 | CDP |
Garden City is the largest city in Finney County, with a population of 27,987.
Shallow Water is the smallest city in Finney County, with a population of 70.
There are 17 cities in Finney County, Kansas.