Income Inequality in Lincoln County, MT was 12.42458 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Lincoln County, MT reached a record high of 14.27216 in January of 2018 and a record low of 10.58718 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Lincoln County, MT - last updated from the United States Federal Reserve on May of 2024.