High School Graduate or Higher (5-year estimate) in Colusa County, CA was 73.30% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Colusa County, CA reached a record high of 73.30 in January of 2021 and a record low of 68.10 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Colusa County, CA - last updated from the United States Federal Reserve on May of 2024.