Heritage Lake is an unincorporated community and census-designated place in Floyd Township, Putnam County, in the U.S. state of Indiana.

[3] The community is located in eastern Putnam County on the shores of its namesake lake.

The lake is 318 acres in size.

According to the U.S. Census Bureau, the community has an area of 3.481 square miles (9.02 km2), of which 3.012 square miles (7.80 km2) is land and 0.469 square miles (1.21 km2) is water.

This Putnam County, Indiana location article is a stub.