Percent of Population Below the Poverty Level (5-year estimate) in Baltimore County, MD was 9.80% in January of 2024, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Baltimore County, MD reached a record high of 10.20 in January of 2022 and a record low of 8.50 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Baltimore County, MD - last updated from the United States Federal Reserve on April of 2026.