where is falmouth in pa
Falmouth, Pennsylvania. Homefacts City Report. Falmouth is located in Lancaster County, PA. The population is 431. There are 0 public schools in Falmouth with an average Homefacts rating of NA. The total crime rate for Falmouth is very low, and there are 0 registered sex offenders residing in the city. Unemployment in Falmouth is moderate and the median home sales price is $0.