Park County is included in the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area.

A majority of the county lies within the boundaries of the South Park National Heritage Area.

The headwaters of the South Platte River are located in Park County at coordinates 39°00′40″N 105°44′25″W / 39.0111°N 105.7403°W / 39.0111; -105.7403 (Geographic center of Colorado).

[5] As of the 2020 United States census,[11] Park County was 87.8% White, 7.1% Hispanic or Latino, 1.4% Native American, 1.1% Black or African American, 1.0% Asian, and 2.8% two or more races.

21.10% of all households were made up of individuals, and 3.20% had someone living alone who was 65 years of age or older.

In the long-running animated television series South Park, the eponymous fictional town is situated in an unspecified part of the county.