| Place Name | South Brunswick Township |
| Place Type | Township |
| County | Middlesex County |
| Area Code(s) | 732,848,609,640 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 46,623 |
| Majority Ethnicity | Asian 47.69% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 12th |
| State Assembly Districts | 16 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 37.97% |
| African American | 6.68% |
| Hispanic | 0.24% |
| Asian | 47.69% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 7.32% |