
Holly Hills
- County:
- Arapahoe County
- County Seat:
- No
- Area (mi²):
- 0.58
- State:
- Colorado
Holly Hills is a CDP located in Arapahoe County, Colorado. Holly Hills has a 2025 population of 2,871. Holly Hills is currently growing at a rate of 0.81% annually and its population has increased by 1.99% since the most recent census, which recorded a population of 2,815 in 2020.
The average household income in Holly Hills is $167,609 with a poverty rate of 7.57%. The median age in Holly Hills is 41.6 years: 37 years for males, and 49.3 years for females.