| Place Name | Whitemarsh Island |
| Place Type | Census Designated Place |
| ZIP Code(s) | 31404 31406 31410 |
| County | Chatham County |
| Area Code(s) | 912 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 7,297 |
| Population Growth Rate (2010-19) | 2.81% |
| Majority Ethnicity | White 84.04% |
| Metro/Micro Stats Area | Savannah, GA |
| US Congressional District(s) | Georgia 1st |
| State House Districts | 166 |
| State Senate Districts | 001 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.04% |
| African American | 2.49% |
| Hispanic | 0% |
| Asian | 3.97% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 9.44% |