1 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Black Hawk | 1 | 120 | 120 | 0% | 39 | 3 | City |
Black Hawk is the largest city in Gilpin County, with a population of 120.
Black Hawk is the smallest city in Gilpin County, with a population of 120.
There is 1 city in Gilpin County, Colorado.