Income Inequality in Lincoln County, OK was 12.52472 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Lincoln County, OK reached a record high of 13.41185 in January of 2018 and a record low of 10.98251 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Lincoln County, OK - last updated from the United States Federal Reserve on May of 2024.