
Crystal Lake
- County:
- Polk County
- County Seat:
- No
- Area (mi²):
- 2.554
- State:
- Florida
Crystal Lake is a CDP located in Polk County, Florida. Crystal Lake has a 2025 population of 6,182. Crystal Lake is currently growing at a rate of 0.73% annually but its population has decreased by -0.47% since the most recent census, which recorded a population of 6,211 in 2020.
The average household income in Crystal Lake is $62,334 with a poverty rate of 25.41%. The median age in Crystal Lake is 38.5 years: 39.3 years for males, and 36.7 years for females.