Williamsport is a city located in Warren County Indiana. It is also the county seat of Warren County. With a 2020 population of 1,844, it is the 216th largest city in Indiana and the 7926th largest city in the United States . Williamsport is currently declining at a rate of -0.22% annually and its population has decreased by -2.85% since the most recent census, which recorded a population of 1,898 in 2010. Williamsport reached it's highest population of 1,909 in 2010. Spanning over 1 miles, Williamsport has a population density of 1,416 people per square mile.
The average household income in Williamsport is $62,755 with a poverty rate of 12.96%. The median rental costs in recent years comes to $714 per month, and the median house value is $92,900. The median age in Williamsport is 41.1 years, 36.3 years for males, and 44.9 years for females.