| Place Name | South Annville Township |
| Place Type | Township |
| ZIP Code(s) | 17003 17042 17078 |
| County | Lebanon County |
| Area Code(s) | 717 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 3,372 |
| Majority Ethnicity | White 95.35% |
| Metro/Micro Stats Area | Lebanon, PA |
| US Congressional District(s) | Pennsylvania 15th |
| State House Districts | 101 |
| State Senate Districts | 48 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 95.35% |
| African American | 1.7% |
| Hispanic | 0.03% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.92% |