Goodville is an unincorporated community and census-designated place in East Earl Township, Lancaster County, Pennsylvania, United States. As of the 2010 census, the population was 482. Goodville is located along Pennsylvania Route 23 in northeastern Lancaster County, in the eastern part of East Earl Township. PA 23 leads northeast 6 miles to the Pen…Goodville is an unincorporated community and census-designated place in East Earl Township, Lancaster County, Pennsylvania, United States. As of the 2010 census, the population was 482. Goodville is located along Pennsylvania Route 23 in northeastern Lancaster County, in the eastern part of East Earl Township. PA 23 leads northeast 6 miles to the Pennsylvania Turnpike at Morgantown, and southwest 18 miles to Lancaster, the county seat.