| Place Name | Mahwah Township |
| Place Type | Township |
| County | Bergen County |
| Area Code(s) | 201,551 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 25,530 |
| Majority Ethnicity | White 73.88% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 5th |
| State Assembly Districts | 39 |
| State Senate Districts | 39 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 73.88% |
| African American | 2.29% |
| Hispanic | 0.19% |
| Asian | 11.76% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 11.88% |