Resident Population in Jasper County, IN was 33.38700 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Jasper County, IN reached a record high of 33.52300 in January of 2014 and a record low of 20.42900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Jasper County, IN - last updated from the United States Federal Reserve on April of 2026.