Resident Population in Bartholomew County, IN was 84.00300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Bartholomew County, IN reached a record high of 84.06300 in January of 2019 and a record low of 57.02200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Bartholomew County, IN - last updated from the United States Federal Reserve on May of 2024.