9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Garden City | 1 | 26,934 | 28,026 | -0.8% | 2,447 | 11.01 | City |
| Garden City township | 2 | 5,613 | 5,738 | -0.28% | 45 | 123.59 | Township |
| Sherlock township | 3 | 2,876 | 2,969 | -0.52% | 18 | 161.94 | Township |
| Holcomb | 4 | 2,156 | 2,240 | -0.78% | 1,743 | 1.24 | City |
| Ivanhoe township | 5 | 494 | 499 | 0.2% | 3 | 142.15 | Township |
| Pierceville township | 6 | 456 | 470 | -0.44% | 3 | 145.98 | Township |
| Terry township | 7 | 153 | 161 | -1.29% | 1 | 143.29 | Township |
| Pleasant Valley township | 8 | 145 | 141 | 0.69% | 1 | 143.15 | Township |
| Shallow Water | 9 | 70 | 57 | 7.69% | 141 | 0.49 | CDP |
Garden City is the largest city in Finney County, with a population of 26,934.
Shallow Water is the smallest city in Finney County.
There are 9 cities in Finney County, Kansas.