| Place Name | Hewitt |
| Place Type | Census Designated Place |
| ZIP Code(s) | 07421 |
| GEOID | 3431110 |
| County | Passaic County |
| Area Code(s) | 862,973 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 2,538 |
| Majority Ethnicity | White 94.88% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 5th |
| State Assembly Districts | 26 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.88% |
| African American | 0.35% |
| Hispanic | 0% |
| Asian | 1.73% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.03% |