
Susquehanna County
- State:
- Pennsylvania
- County Seat:
- Montrose
Susquehanna County's estimated 2025 population is 38,049 with a growth rate of -0.08% in the past year according to the most recent United States census data. Susquehanna County is the 54th largest county in Pennsylvania. The 2010 population was 43,333 and has seen a growth of -12.19% since that time.