Income Inequality in Baltimore County, MD was 14.80139 Ratio in January of 2024, according to the United States Federal Reserve. Historically, Income Inequality in Baltimore County, MD reached a record high of 14.80139 in January of 2024 and a record low of 12.02352 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Baltimore County, MD - last updated from the United States Federal Reserve on April of 2026.