
Hopewell township
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 29.89
- State:
- New Jersey
Hopewell township is located in Mercer County, New Jersey. Hopewell township has a 2025 population of 4,363. Hopewell township is currently growing at a rate of 0.11% annually but its population has decreased by -0.32% since the most recent census, which recorded a population of 4,377 in 2020.
The average household income in Hopewell township is $109,685 with a poverty rate of 7.47%. The median age in Hopewell township is 44.4 years: 45.5 years for males, and 42.5 years for females.