Pittsford is an incorporated town in Monroe County, New York. A suburb of Rochester, its population was 30,617 at the time of the 2020 census. Formerly part of the town of Northfield, Pittsford was settled in 1789 and incorporated in 1796. The village of Pittsford was incorporated in 1827. It was named by Colonel Caleb Hopkins, War of 1812 hero and subsequently Pittsford town supervisor, for the town of his birth, Pittsford, Vermont.