Schaghticoke SKAT-ih-kohk is a town in Rensselaer County, New York, United States. The population was 7,445 at the 2020 census. It was named for the Schaghticoke, a Native American tribe formed in the seventeenth century from an amalgamation of remnant peoples of eastern New York and New England. The tribe has one of the oldest reservations in the United States, located in what is now Litchfield County, Connecticut.