
Dallastown
- County:
- York County
- County Seat:
- No
- Area (mi²):
- 0.785
- State:
- Pennsylvania
Dallastown is a borough located in York County, Pennsylvania. Dallastown has a 2025 population of 4,168. Dallastown is currently declining at a rate of -0.07% annually and its population has decreased by -0.36% since the most recent census, which recorded a population of 4,183 in 2020.
The average household income in Dallastown is $68,661 with a poverty rate of 9.21%. The median age in Dallastown is 38.7 years: 39.7 years for males, and 35.9 years for females.