Income Inequality in Cumberland County, NC was 14.60808 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Cumberland County, NC reached a record high of 14.60808 in January of 2022 and a record low of 12.71126 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Cumberland County, NC - last updated from the United States Federal Reserve on May of 2024.