Witmer, Pennsylvania

Witmer is an unincorporated community and census-designated place (CDP) in East Lampeter Township, Lancaster County, Pennsylvania, United States. As of the 2010 census, the population was 492.

Geography
Witmer is in central Lancaster County, in the eastern part of East Lampeter Township. It is bordered to the south by Smoketown and to the northeast by Upper Leacock Township. It is 0.6 mi north of Pennsylvania Route 340 and 6 mi east of Lancaster, the county seat.

According to the U.S. Census Bureau, the Witmer CDP has a total area of 3.2 sqkm, of which 3811 sqm, or 0.12%, are water. The community drains west to Stauffer Run and east to Mill Creek, both tributaries of the Conestoga River, flowing southwest to the Susquehanna.