Income Inequality in Valley County, MT was 10.28835 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Valley County, MT reached a record high of 12.19433 in January of 2014 and a record low of 9.86493 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Valley County, MT - last updated from the United States Federal Reserve on May of 2024.