| Place Name | Allendale |
| Place Type | Borough |
| ZIP Code(s) | 07401 |
| County | Bergen County |
| Area Code(s) | 201,551 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 6,549 |
| Population Growth Rate (2010-19) | 5.27% |
| Majority Ethnicity | White 78.87% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 5th |
| State Assembly Districts | 40 |
| State Senate Districts | 40 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 78.87% |
| African American | 0.88% |
| Hispanic | 0% |
| Asian | 19.21% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.05% |