Income Inequality in Lewis County, WA was 11.39167 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Lewis County, WA reached a record high of 11.86708 in January of 2020 and a record low of 10.11019 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Lewis County, WA - last updated from the United States Federal Reserve on May of 2024.