
New Berlin
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.388
- State:
- Pennsylvania
New Berlin is a borough located in Union County, Pennsylvania. New Berlin has a 2025 population of 777. New Berlin is currently declining at a rate of -0.64% annually and its population has decreased by -3.12% since the most recent census, which recorded a population of 802 in 2020.
The average household income in New Berlin is $91,399 with a poverty rate of 9.44%. The median age in New Berlin is 42.7 years: 41.9 years for males, and 43.7 years for females.