5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lake City | 1 | 407 | 435 | -1.45% | 492 | 1 | Town |
| Lake City | 2 | 407 | 437 | -1.45% | 492 | 1 | Town |
| City Creede | 3 | 285 | 263 | 1.42% | 301 | 1 | Town |
| City Creede | 4 | 285 | 265 | 1.42% | 301 | 1 | Town |
| Cathedral | 5 | 20 | 11 | 5.26% | 1 | 21 | CDP |
Lake City is the largest city in Hinsdale County, with a population of 407.
Cathedral is the smallest city in Hinsdale County, with a population of 20.
There are 5 cities in Hinsdale County, Colorado.