Income Inequality in Harmon County, OK was 21.64196 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Harmon County, OK reached a record high of 21.64196 in January of 2022 and a record low of 12.75292 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Harmon County, OK - last updated from the United States Federal Reserve on May of 2024.