
Marshallton
- County:
- Chester County
- County Seat:
- No
- Area (mi²):
- 0.455
- State:
- Pennsylvania
Marshallton is a CDP located in Chester County, Pennsylvania. Marshallton has a 2025 population of 746. Marshallton is currently growing at a rate of 7.18% annually and its population has increased by 73.49% since the most recent census, which recorded a population of 430 in 2020.
The average household income in Marshallton is $138,981 with a poverty rate of 0%. The median age in Marshallton is 46.5 years: 40.6 years for males, and 47.6 years for females.