Income Inequality in Pettis County, MO was 12.12740 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Pettis County, MO reached a record high of 12.48052 in January of 2021 and a record low of 10.55613 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Pettis County, MO - last updated from the United States Federal Reserve on May of 2024.