Pleasantville, also known as Alum Bank, is a borough in Bedford County, Pennsylvania, United States. The population was 198 at the 2010 census.Pleasantville is located in northwestern Bedford County at 40°10′46″N 78°36′48″W / 40.17944°N 78.61333°W / 40.17944; -78.61333. It lies at the north end of Chestnut Ridge.Pennsylvania Route 56 passes through the borough, leading southeast 14 miles to Bedford, the county seat, and northwest over the Allegheny Front 24 miles to Johnstown. Pennsylvania Route 96 leads south from Pleasantville 10 miles to Schellsburg.According to the United States Census Bureau, Pleasantville has a total area of 0.073 square miles, all of it land.As of the census of 2000, there were 211 people, 83 households, and 59 families residing in the borough. The population density was 3,057.8 people per square mile. There were 87 housing units at an average density of 1,260.8/sq mi. The racial makeup of the borough was 95.73% White, 2.37% African American, and 1.