Canajoharie /ˌkænədʒoʊˈhæri/ is a town in Montgomery County, New York, United States. The population was 3,730 at the 2010 census. Canajoharie is located south of the Mohawk River on the south border of the county. The Erie Canal passes along the north town line. There is also a village of Canajoharie in the town. Both are east of Utica and west of Amsterdam.These were settled as European-American jurisdictions, named for the historic Mohawk village of the same name, which was also known as the Mohawk Upper Castle.