Income Inequality in Mercer County, WV was 12.89223 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Mercer County, WV reached a record high of 14.56416 in January of 2010 and a record low of 12.06189 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Mercer County, WV - last updated from the United States Federal Reserve on June of 2024.