5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ulysses | 1 | 5,535 | 5,792 | -0.84% | 1,715 | 3 | City |
| Ulysses | 2 | 5,535 | 5,770 | -0.84% | 1,715 | 3 | City |
| Johnson City | 3 | 1,457 | 1,468 | -0.14% | 680 | 2 | City |
| Johnson City | 4 | 1,457 | 1,467 | -0.14% | 680 | 2 | City |
| Big Bow | 5 | 24 | 108 | 9.09% | 5 | 5 | CDP |
Ulysses is the largest city in Grant County, with a population of 5,535.
Big Bow is the smallest city in Grant County, with a population of 24.
There are 5 cities in Grant County, Kansas.