Income Inequality in Buchanan County, MO was 15.76455 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Buchanan County, MO reached a record high of 15.76455 in January of 2022 and a record low of 11.80333 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Buchanan County, MO - last updated from the United States Federal Reserve on May of 2024.