| Place Name | Johnsonville |
| Place Type | City |
| ZIP Code(s) | 29555 |
| County | Florence County |
| Area Code(s) | 843,854 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,442 |
| Population Growth Rate (2010-19) | -6.89% |
| Majority Ethnicity | White 77.57% |
| Metro/Micro Stats Area | Florence, SC |
| US Congressional District(s) | South Carolina 7th |
| State House Districts | 61 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 77.57% |
| African American | 19.83% |
| Hispanic | 0% |
| Asian | 1.83% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.78% |