| Place Name | Dunellen |
| Place Type | Borough |
| ZIP Code(s) | 08812 |
| County | Middlesex County |
| Area Code(s) | 732,848 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 7,271 |
| Population Growth Rate (2010-19) | 5.67% |
| Majority Ethnicity | White 48.59% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 12th |
| State Assembly Districts | 22 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 48.59% |
| African American | 7.76% |
| Hispanic | 0% |
| Asian | 4.74% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 38.91% |