6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fort Morgan | 1 | 11,905 | 11,554 | 0.59% | 2,231 | 5 | City |
| Brush | 2 | 5,381 | 5,323 | 0.2% | 1,901 | 3 | City |
| Wiggins | 3 | 1,980 | 1,439 | 5.77% | 1,497 | 1 | Town |
| Log Lane Village | 4 | 947 | 901 | 0.96% | 4,832 | 0 | Town |
| Hillrose | 5 | 318 | 312 | 0.32% | 1,683 | 0 | Town |
| Raymer (New Raymer) | 6 | 110 | 108 | 0% | 140 | 1 | Town |
Fort Morgan is the largest city in Morgan County, with a population of 11,905.
Raymer (New Raymer) is the smallest city in Morgan County, with a population of 110.
There are 6 cities in Morgan County, Colorado.