
Hamburg
- County:
- Sussex County
- County Seat:
- No
- Area (mi²):
- 1.145
- State:
- New Jersey
Hamburg is a borough located in Sussex County, New Jersey. Hamburg has a 2025 population of 3,376. Hamburg is currently growing at a rate of 0.69% annually and its population has increased by 3.46% since the most recent census, which recorded a population of 3,263 in 2020.
The average household income in Hamburg is $109,517 with a poverty rate of 7.62%. The median age in Hamburg is 41.6 years: 45.7 years for males, and 41 years for females.