
Swarthmore
- County:
- Delaware County
- County Seat:
- No
- Area (mi²):
- 1.4
- State:
- Pennsylvania
Swarthmore is a borough located in Delaware County, Pennsylvania. Swarthmore has a 2025 population of 6,533. Swarthmore is currently declining at a rate of -0.02% annually and its population has decreased by -0.11% since the most recent census, which recorded a population of 6,540 in 2020.
The average household income in Swarthmore is $196,076 with a poverty rate of 2.81%. The median age in Swarthmore is 34.4 years: 29.7 years for males, and 35.2 years for females.