Income Inequality in Niobrara County, WY was 13.49111 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Niobrara County, WY reached a record high of 19.40394 in January of 2019 and a record low of 10.88820 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Niobrara County, WY - last updated from the United States Federal Reserve on May of 2024.