
Gratz
- County:
- Dauphin County
- County Seat:
- No
- Area (mi²):
- 2.949
- State:
- Pennsylvania
Gratz is a borough located in Dauphin County, Pennsylvania. Gratz has a 2025 population of 727. Gratz is currently declining at a rate of -0.41% annually and its population has decreased by -1.89% since the most recent census, which recorded a population of 741 in 2020.
The average household income in Gratz is $62,437 with a poverty rate of 32.11%. The median age in Gratz is 52.3 years: 52.3 years for males, and 52.5 years for females.