Income Inequality in Marin County, CA was 21.25171 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Marin County, CA reached a record high of 21.51602 in January of 2016 and a record low of 17.81691 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Marin County, CA - last updated from the United States Federal Reserve on May of 2024.