Unemployment Rate in Martin County, IN was 2.20% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Martin County, IN reached a record high of 10.10 in January of 1991 and a record low of 2.00 in December of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Martin County, IN - last updated from the United States Federal Reserve on April of 2026.