East Rochester is a coterminous town and village located southeast of the City of Rochester in Monroe County, New York. The village, home to about 6,600 people, is surrounded by Pittsford on the west side and by Perinton to the east. The southern boundary is delimited by New York State Route 31F, which runs parallel to but never enters East Rochester.[dubious ? discuss] The village line in the remaining three directions are less distinct.