Income Inequality in Wibaux County, MT was 11.84334 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Wibaux County, MT reached a record high of 14.00855 in January of 2014 and a record low of 6.15554 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Wibaux County, MT - last updated from the United States Federal Reserve on May of 2024.