Income Inequality in Smith County, KS was 10.53378 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Smith County, KS reached a record high of 15.94588 in January of 2014 and a record low of 10.44678 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Smith County, KS - last updated from the United States Federal Reserve on May of 2024.