Income Inequality in Williams County, ND was 11.95211 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Williams County, ND reached a record high of 15.20691 in January of 2016 and a record low of 10.90690 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Williams County, ND - last updated from the United States Federal Reserve on May of 2024.