Resident Population in Franklin County, NY was 46.50200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Franklin County, NY reached a record high of 51.79100 in January of 2012 and a record low of 43.37400 in January of 1986. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Franklin County, NY - last updated from the United States Federal Reserve on May of 2024.