Income Inequality in Harper County, OK was 7.64360 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Harper County, OK reached a record high of 13.61744 in January of 2014 and a record low of 7.64360 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Harper County, OK - last updated from the United States Federal Reserve on May of 2024.