Unemployment Rate in Montgomery County, KS was 4.20% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Montgomery County, KS reached a record high of 13.80 in July of 2009 and a record low of 2.50 in December of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Montgomery County, KS - last updated from the United States Federal Reserve on April of 2026.