6 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fort Morgan | 1 | 11,975 | 11,554 | 0.59% | 2,244 | 5 | City |
| Brush | 2 | 5,393 | 5,323 | 0.22% | 1,905 | 3 | City |
| Wiggins | 3 | 2,088 | 1,439 | 5.45% | 1,578 | 1 | Town |
| Log Lane Village | 4 | 956 | 901 | 0.95% | 4,878 | 0 | Town |
| Hillrose | 5 | 319 | 312 | 0.31% | 1,688 | 0 | Town |
| Raymer (New Raymer) | 6 | 111 | 108 | 0.91% | 142 | 1 | Town |
Fort Morgan is the largest city in Morgan County, with a population of 11,975.
Raymer (New Raymer) is the smallest city in Morgan County, with a population of 111.
There are 6 cities in Morgan County, Colorado.