| Place Name | Rockville |
| Place Type | Town |
| ZIP Code(s) | 29487 |
| County | Charleston County |
| Area Code(s) | 843,854 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 172 |
| Population Growth Rate (2010-19) | 5.22% |
| Majority Ethnicity | White 93.6% |
| Metro/Micro Stats Area | Charleston-North Charleston, SC |
| US Congressional District(s) | South Carolina 1st |
| State House Districts | 116 |
| State Senate Districts | 45 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.6% |
| African American | 4.8% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.6% |