Income Inequality in Jefferson Parish, LA was 17.75225 Ratio in January of 2024, according to the United States Federal Reserve. Historically, Income Inequality in Jefferson Parish, LA reached a record high of 17.75225 in January of 2024 and a record low of 13.72062 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Jefferson Parish, LA - last updated from the United States Federal Reserve on March of 2026.