sentences:  There are four incorporated towns in the county.The largest is Williamsport, which is on the western banks of the Wabash River in the eastern part of the county, just downstream of Attica (which is on the east side of the river in Fountain County); in 2010, its population was 1,898—nearly one-fourth of the county's total.West Lebanon is about west of Williamsport on State Road 28, with a population of 723.