Biden won 56.45% of the vote to 40.37% for Trump. Biden received Oregon's seven electoral votes in the Electoral College.[3] The state certified its election results on December 3.[4]
Biden won Oregon by 16.08%, an increase from Hillary Clinton's 11% victory margin in 2016. No Republican presidential candidate has won Oregon since Ronald Reagan of neighboring California in 1984. Biden flipped two counties Trump won in 2016: Marion County, home to the state capital of Salem; and Deschutes County, anchored by fast-growing Bend. This marked the first time since 1964 that a Democrat won an outright majority in Deschutes County, although Democratic presidential nominees in 1976 and 1992 had carried the county with pluralities.[5]
Biden was the first Democrat since Woodrow Wilson in 1916 to win the presidency without carrying Columbia County and Tillamook County. Tillamook and Columbia counties were among a fraction of the more than 3,000 counties in the U.S. to vote twice for Barack Obama (in 2008 and 2012) and twice for Trump (in 2016 and 2020).[6] Biden also made history as the highest vote earner in Oregon history, with 1,340,383 votes, and Biden was able to achieve stronger swings leftward in 28 of Oregon's 36 counties than Hillary Clinton in 2016. Per exit polls by the Associated Press, 33% of voters were secular and supported Biden by 80%.[7]