Resident Population in Vigo County, IN was 106.16600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Vigo County, IN reached a record high of 115.60000 in January of 1971 and a record low of 104.04600 in January of 2004. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Vigo County, IN - last updated from the United States Federal Reserve on April of 2026.