High School Graduate or Higher (5-year estimate) in Yamhill County, OR was 89.90% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Yamhill County, OR reached a record high of 90.10 in January of 2021 and a record low of 86.60 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Yamhill County, OR - last updated from the United States Federal Reserve on May of 2024.