
Hardwick township
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 37.525
- State:
- New Jersey
Hardwick township is located in Warren County, New Jersey. Hardwick township has a 2025 population of 1,612. Hardwick township is currently growing at a rate of 0.06% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 1,593 in 2020.
The average household income in Hardwick township is $146,765 with a poverty rate of 7.96%. The median age in Hardwick township is 45.3 years: 47.8 years for males, and 43 years for females.