Income Inequality in Grays Harbor County, WA was 12.83715 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Grays Harbor County, WA reached a record high of 14.04477 in January of 2016 and a record low of 10.54041 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Grays Harbor County, WA - last updated from the United States Federal Reserve on May of 2024.