
Franklin township
- County:
- Sussex County
- County Seat:
- No
- Area (mi²):
- 23.035
- State:
- New Jersey
Franklin township is located in Sussex County, New Jersey. Franklin township has a 2025 population of 3,266. Franklin township is currently declining at a rate of -0.31% annually but its population has increased by 0.37% since the most recent census, which recorded a population of 3,254 in 2020.
The average household income in Franklin township is $180,730 with a poverty rate of 1.38%. The median age in Franklin township is 49 years: 44.5 years for males, and 52.3 years for females.