
Heidlersburg
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 0.699
- State:
- Pennsylvania
Heidlersburg is a CDP located in Adams County, Pennsylvania. Heidlersburg has a 2025 population of 386. Heidlersburg is currently declining at a rate of -5.16% annually and its population has decreased by -35.23% since the most recent census, which recorded a population of 596 in 2020.
The average household income in Heidlersburg is $73,196 with a poverty rate of 10.39%. The median age in Heidlersburg is 60.5 years: 53.3 years for males, and 65.1 years for females.