| Place Name | South Amboy |
| Place Type | City |
| ZIP Code(s) | 08879 |
| County | Middlesex County |
| Area Code(s) | 732,848 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 8,630 |
| Population Growth Rate (2010-19) | 9.04% |
| Majority Ethnicity | White 63.45% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 6th |
| State Assembly Districts | 19 |
| State Senate Districts | 19 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 63.45% |
| African American | 12.32% |
| Hispanic | 0.51% |
| Asian | 2.97% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 20.75% |