Gratz is a borough located in Dauphin County, Pennsylvania. Gratz has a 2026 population of 739. Gratz is currently declining at a rate of 0% annually and its population has decreased by -0.4% since the most recent census, which recorded a population of 742 in 2020.
The median age in Gratz is 52.3 years: 52.3 years for males, and 53.2 years for females. For every 100 females there are 151.7 males.
Data after 2023 is projected based on recent change
Overall: 52.3 years
Female: 53.2 years
Male: 52.3 years
There are 633 adults, (155 of whom are seniors) in Gratz.
Female: 296 (39.7%)
Male: 449 (60.3%)
The racial composition of Gratz includes 77.85% White, and smaller percentages for Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 580 | 77.85% |
| Two or more races | 156 | 20.94% |
| Black or African American | 9 | 1.21% |