| Pitkin County | |
| Pitkin County is a county in the U.S. state of Colorado. As of the 2020 census, the population was 17,358. The county seat and largest city is Aspen. The highest point in the county is Castle Peak, located 20 miles south of Aspen on the Gunnison County border. It’s a certified fourteener at 14,265 feet. | |