Bart Township, Lancaster County, Pennsylvania. David Rumsey Historical Map Collection
Bart Township, Lancaster County, Pennsylvania. David Rumsey Historical Map Collection . It is the fourth most populous municipality in the county. The settlement was founded in 1726 by colonial. Chester County Pennsylvania Maps from www.pa-roots.com Eight of the ten most populous counties are in the southeastern portion of the. Friday, aug 19, 2022 at 8:00am. When calculated by mailing address, the population as of the 2010 us census was.