
Williamsport
- County:
- Warren County
- County Seat:
- Yes
- Area (mi²):
- 1.305
- State:
- Indiana
Williamsport is a town located in Warren County, Indiana. Williamsport has a 2025 population of 1,979. It is also the county seat of .Williamsport is currently growing at a rate of 0.35% annually and its population has increased by 1.85% since the most recent census, which recorded a population of 1,943 in 2020.
The average household income in Williamsport is $78,740 with a poverty rate of 15.29%. The median age in Williamsport is 42.5 years: 42.3 years for males, and 42.9 years for females.