18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Guthrie | 1 | 11,897 | 10,785 | 1.84% | 662 | 18 | City |
| Guthrie | 2 | 11,897 | 10,820 | 1.84% | 662 | 18 | City |
| Langston | 3 | 1,739 | 1,619 | 1.4% | 145 | 12 | Town |
| Langston | 4 | 1,739 | 1,618 | 1.4% | 145 | 12 | Town |
| Crescent | 5 | 1,407 | 1,296 | 1.52% | 1,263 | 1 | City |
| Crescent | 6 | 1,407 | 1,301 | 1.52% | 1,263 | 1 | City |
| Cedar Valley | 7 | 444 | 405 | 1.6% | 222 | 2 | City |
| Cedar Valley | 8 | 444 | 407 | 1.6% | 222 | 2 | City |
| Coyle | 9 | 344 | 311 | 1.78% | 438 | 1 | Town |
| Coyle | 10 | 344 | 312 | 1.78% | 438 | 1 | Town |
| Mulhall | 11 | 239 | 215 | 1.7% | 294 | 1 | Town |
| Mulhall | 12 | 239 | 216 | 1.7% | 294 | 1 | Town |
| Marshall | 13 | 227 | 209 | 1.34% | 357 | 1 | Town |
| Marshall | 14 | 227 | 210 | 1.34% | 357 | 1 | Town |
| Orlando | 15 | 141 | 130 | 1.44% | 360 | 0 | Town |
| Orlando | 16 | 141 | 130 | 1.44% | 360 | 0 | Town |
| Meridian | 17 | 16 | 15 | 0% | 80 | 0 | Town |
| Meridian | 18 | 16 | 15 | 0% | 80 | 0 | Town |
Guthrie is the largest city in Logan County, with a population of 11,897.
Meridian is the smallest city in Logan County, with a population of 16.
There are 18 cities in Logan County, Oklahoma.