
South Hackensack township
- County:
- Bergen County
- County Seat:
- No
- Area (mi²):
- 0.717
- State:
- New Jersey
South Hackensack township is located in Bergen County, New Jersey. South Hackensack township has a 2025 population of 2,712. South Hackensack township is currently growing at a rate of 0.22% annually and its population has increased by 0.82% since the most recent census, which recorded a population of 2,690 in 2020.
The average household income in South Hackensack township is $127,634 with a poverty rate of 15.33%. The median age in South Hackensack township is 36.8 years: 35.8 years for males, and 41.4 years for females.