| Place Name | Joanna |
| Place Type | Census Designated Place |
| ZIP Code(s) | 29351 |
| County | Laurens County |
| Area Code(s) | 864 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,352 |
| Population Growth Rate (2010-19) | -1.43% |
| Majority Ethnicity | White 83.56% |
| Metro/Micro Stats Area | Greenville-Anderson, SC |
| US Congressional District(s) | South Carolina 3rd |
| State House Districts | 42 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 83.56% |
| African American | 2.42% |
| Hispanic | 0% |
| Asian | 2.92% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.1% |