| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kingfisher | 1 | 5,256 | 4,920 | 1.06% | 1,178 | 4 | City |
| Hennessey | 2 | 2,221 | 2,141 | 0.63% | 599 | 4 | Town |
| Okarche | 3 | 1,207 | 1,140 | 0.92% | 549 | 2 | Town |
| Cashion | 4 | 991 | 860 | 2.06% | 760 | 1 | Town |
| Dover | 5 | 411 | 400 | 0.24% | 1,322 | 0 | Town |
| Cimarron City | 6 | 165 | 146 | 1.85% | 98 | 2 | Town |
| Loyal | 7 | 70 | 68 | 0% | 787 | 0 | Town |
Kingfisher is the largest city in Kingfisher County, with a population of 5,256.
Loyal is the smallest city in Kingfisher County, with a population of 70.
There are 7 cities in Kingfisher County, Oklahoma.