Income Inequality in Lewis and Clark County, MT was 11.68060 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Lewis and Clark County, MT reached a record high of 12.04648 in January of 2020 and a record low of 9.21274 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Lewis and Clark County, MT - last updated from the United States Federal Reserve on May of 2024.