Conestoga, Pennsylvania is a small community in and census-designated place in Conestoga Township in Lancaster County, Pennsylvania in the United States. As of the 2010 census the population was 1,258 residents. Although it is unincorporated, Conestoga has a post office with the ZIP code 17516.The headquarters of Turkey Hill Dairy, a food company specializing in iced teas and dairy products, is located in Conestoga.Conestoga was first called Conestoga Manor by William Penn. The name came from the Conestoga Indians, a peaceful Christian tribe, whose principal village was located nearby. A number of the Conestoga were massacred by the Paxton Boys in 1763 with the survivors fleeing the area. The town of Conestoga was laid out by John Kendig, Harry Breneman, Edward Charles, and John Folkman in 1797. Conestoga was in the national news in 2001 when President George W. Bush held a photo opportunity at the Safe Harbor power station. Conestoga is also home to Turkey Hill Dairy.