County Population
- 2010 official U.S. Census: 16,206
- 2016 Population Estimate: 17,015
- Platte Canyon area (2010): 9,234
- South Park area (2010): 4,793
- Lake George / Guffey area (2010): 2,179
- Fairplay, Town of (2016 Estimate): 713
- Alma, Town of (2016 Estimate): 280
- Age distribution of population (2015 Estimate)
- Under 18 years: 19%
- 18-64 Years: 66 %
- Over 65 years: 1%
- Median Age: 49
- Male persons (2016 Estimate): 52%
- White persons (2016 Estimate): 93%
- Female persons (2016 Estimate): 48%
For population for the communities in Park County, view the Community Profiles.