 Lancaster County Anabaptist community founded in c. 1760, has the world's largest Amish settlement, with 37,000 people in 220 church districts in 2017, or about 7% of the county's population.The Lancaster Amish affiliation is relatively liberal concerning the use of technologies compared to other Amish affiliations.Historically speaking, the Amish population in 1970 numbered only about 7,000, that climbed to about 12,400 by 1990 and 16,900 by 2000.