Heron Bay is an unincorporated community and census-designated place (CDP) in Henry and Spalding counties in the U.S. state of Georgia. Its population was 4,679 as of the 2020 census.
Heron Bay was first listed as a census designated place in the 2010 U.S. census.
As of the 2020 United States census, there were 4,679 people, 1,046 households, and 976 families residing in the CDP.