Resident Population in Cheshire County, NH was 77.70300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Cheshire County, NH reached a record high of 77.70300 in January of 2023 and a record low of 52.36400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Cheshire County, NH - last updated from the United States Federal Reserve on May of 2024.