Resident Population in Switzerland County, IN was 9.98800 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Switzerland County, IN reached a record high of 10.81500 in January of 2019 and a record low of 6.30600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Switzerland County, IN - last updated from the United States Federal Reserve on April of 2026.