Lehman Township has been an established community since 1829. It is a residential community with beautiful scenery, surrounded by the Delaware National Park Service. The Township lies between Porter, Middle Smithfield and Delaware Townships. It is the home of the famous Bushkill Falls.

Listed on the tax rolls for Upper Smithfield Township in 1815 was Joseph Leighman, paying 55 cents on 442 acres. In 1824 his name was spelled Leaman and by 1832 it was Lehman. The Township is approximately 48.9 square miles or approximately 31,296 acres.The Township has a nice park with a beautiful play area. The ballfield can be reserved for fun and recreation during normal business hours by filling out a form with the Township office.The Pavilion can be reserved by registering with the Township office.