| Place Name | Hardwick Township |
| Place Type | Township |
| ZIP Code(s) | 07825 07832 07860 18301 18302 |
| County | Warren County |
| Area Code(s) | 908 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,531 |
| Majority Ethnicity | White 91.88% |
| Metro/Micro Stats Area | Allentown-Bethlehem-Easton, PA-NJ |
| US Congressional District(s) | New Jersey 5th |
| State Assembly Districts | 24 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.88% |
| African American | 1.07% |
| Hispanic | 0% |
| Asian | 0.76% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.29% |