Income Inequality in Fairfax County, VA was 12.19217 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Fairfax County, VA reached a record high of 12.19217 in January of 2022 and a record low of 10.25724 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Fairfax County, VA - last updated from the United States Federal Reserve on May of 2024.