
Keystone Heights
- County:
- Clay County
- County Seat:
- No
- Area (mi²):
- 1.075
- State:
- Florida
Keystone Heights is a city located in Clay County, Florida. Keystone Heights has a 2025 population of 1,596. Keystone Heights is currently growing at a rate of 1.92% annually and its population has increased by 10.37% since the most recent census, which recorded a population of 1,446 in 2020.
The average household income in Keystone Heights is $88,413 with a poverty rate of 14.72%. The median age in Keystone Heights is 38.4 years: 33.6 years for males, and 40.7 years for females.