The 2020 United States presidential election in Arkansas took place on Tuesday, November 3, 2020, as part of the 2020 United States presidential election in which all 50 states plus the District of Columbia participated. Arkansas voters chose six electors to represent them in the Electoral College via a popular vote pitting incumbent Republican President Donald Trump and his running mate, incumbent Vice President Mike Pence, against Democratic challenger and former Vice President Joe Biden and his running mate, United States Senator Kamala Harris of California. Also on the ballot were the nominees for the Libertarian, Green, Constitution, American Solidarity, Life and Liberty, and Socialism and Liberation parties and Independent candidates. Write-in candidates are not allowed to participate in presidential elections.

Jefferson County, Arkansas is a county located in the U.S. state of Arkansas in the area known as the Arkansas Delta that extends west of the Mississippi River. Jefferson County consists of five cities, two towns, and 20 townships. It is bisected by the Arkansas River, which was critical to its development and long the chief transportation byway. In 2020, Jefferson County's population was estimated at 67,260. The county seat and largest city is Pine Bluff. The county is included in the Pine Bluff metropolitan statistical area. The county seat and the most populous city is Pine Bluff.