| Official Name: | Heron Bay, Georgia |
| Settlement Type: | Unincorporated community Census-designated place |
| Pushpin Map: | USA Georgia#USA |
| Pushpin Label: | Heron Bay |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Georgia |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Henry, Spalding |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 12.68 |
| Area Land Km2: | 11.68 |
| Area Water Km2: | 0.99 |
| Area Total Sq Mi: | 4.89 |
| Area Land Sq Mi: | 4.51 |
| Area Water Sq Mi: | 0.38 |
| Population As Of: | 2020 |
| Population Total: | 4679 |
| Population Density Km2: | 400.48 |
| Population Density Sq Mi: | 1037.24 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 781 |
| Coordinates: | 33.3392°N -84.1922°W |
| Area Code: | 770/678/470 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2583405 |
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.
| White alone (NH) | 1,355 | style='background: #ffffe6; | 1,069 | 40.04% | style='background: #ffffe6; | 22.85% | |
| Black or African American alone (NH) | 1,618 | style='background: #ffffe6; | 2,989 | 47.81% | style='background: #ffffe6; | 63.88% | |
| Native American or Alaska Native alone (NH) | 5 | style='background: #ffffe6; | 7 | 0.15% | style='background: #ffffe6; | 0.15% | |
| Asian alone (NH) | 89 | style='background: #ffffe6; | 105 | 2.63% | style='background: #ffffe6; | 2.24% | |
| Pacific Islander alone (NH) | 5 | style='background: #ffffe6; | 3 | 0.15% | style='background: #ffffe6; | 0.06% | |
| Some Other Race alone (NH) | 1 | style='background: #ffffe6; | 22 | 0.03% | style='background: #ffffe6; | 0.47% | |
| Mixed Race or Multi-Racial (NH) | 76 | style='background: #ffffe6; | 139 | 2.25% | style='background: #ffffe6; | 2.97% | |
| Hispanic or Latino (any race) | 235 | style='background: #ffffe6; | 345 | 6.94% | style='background: #ffffe6; | 7.37% | |
| Total | 3,384 | style='background: #ffffe6; | 4,679 | 100.00% | style='background: #ffffe6; | 100.00% |
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.