
Clarks Summit
- County:
- Lackawanna County
- County Seat:
- No
- Area (mi²):
- 1.585
- State:
- Pennsylvania
Clarks Summit is a borough located in Lackawanna County, Pennsylvania. Clarks Summit has a 2025 population of 5,057. Clarks Summit is currently declining at a rate of -0.02% annually and its population has decreased by -0.14% since the most recent census, which recorded a population of 5,064 in 2020.
The average household income in Clarks Summit is $117,688 with a poverty rate of 2.78%. The median age in Clarks Summit is 44 years: 45.1 years for males, and 43.3 years for females.