High School Graduate or Higher (5-year estimate) in Niobrara County, WY was 91.90% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Niobrara County, WY reached a record high of 92.20 in January of 2021 and a record low of 87.10 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Niobrara County, WY - last updated from the United States Federal Reserve on May of 2024.