Port Republic
- County:
- Atlantic County
- County Seat:
- No
- Area (mi²):
- 7.462
- State:
- New Jersey
Port Republic is a city located in Atlantic County, New Jersey. Port Republic has a 2026 population of 1,131. Port Republic is currently growing at a rate of 0.71% annually and its population has increased by 2.54% since the most recent census, which recorded a population of 1,103 in 2020.