8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sterling | 1 | 12,652 | 13,407 | -1.18% | 1,661 | 7.62 | City |
| Fleming | 2 | 417 | 429 | -0.48% | 853 | 0.49 | Town |
| Merino | 3 | 280 | 285 | -0.36% | 1,842 | 0.15 | Town |
| Iliff | 4 | 237 | 246 | -0.84% | 1,241 | 0.19 | Town |
| Peetz | 5 | 200 | 212 | -0.99% | 897 | 0.22 | Town |
| Atwood | 6 | 147 | 155 | 0.68% | 142 | 1.03 | CDP |
| Crook | 7 | 121 | 130 | -1.63% | 896 | 0.14 | Town |
| Padroni | 8 | 41 | 63 | 7.89% | 51 | 0.81 | CDP |
Sterling is the largest city in Logan County, with a population of 12,652.
Padroni is the smallest city in Logan County, with a population of 41.
There are 8 cities in Logan County, Colorado.