Resident Population in Carroll County, TN was 28.86000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Carroll County, TN reached a record high of 29.46700 in January of 2001 and a record low of 25.74100 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Carroll County, TN - last updated from the United States Federal Reserve on May of 2024.