| Place Name | Belleville Township |
| Place Type | Township |
| County | Essex County |
| Area Code(s) | 862,973 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 37,914 |
| Majority Ethnicity | White 44.7% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 8th |
| State Assembly Districts | 29 |
| State Senate Districts | 29 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 44.7% |
| African American | 7.04% |
| Hispanic | 0.2% |
| Asian | 8.56% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 39.5% |