
Lake Santee
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 2.463
- State:
- Indiana
Lake Santee is a CDP located in Fayette County, Indiana. Lake Santee has a 2025 population of 738. Lake Santee is currently declining at a rate of -0.67% annually and its population has decreased by -14.88% since the most recent census, which recorded a population of 867 in 2020.
The average household income in Lake Santee is $232,328 with a poverty rate of 6.28%. The median age in Lake Santee is 41.9 years: 45.7 years for males, and 40.4 years for females.