| Place Name | Branchburg Township |
| Place Type | Township |
| County | Somerset County |
| Area Code(s) | 908 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 14,859 |
| Majority Ethnicity | White 81.22% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 7th |
| State Assembly Districts | 16 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 81.22% |
| African American | 4.05% |
| Hispanic | 0.21% |
| Asian | 9.64% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.88% |