U.S. Democratic presidential nominee and former Vice President Joe Biden speaks next to his wife Jill following early results from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 3, 2020.

A parking lot with parking places for supporters' vehicles marked off with Biden Harris campaign traffic cones awaits his supporters where U.S. Democratic presidential nominee Joe Biden will hold his 2020 U.S. presidential election night rally as a drive-in event because of coronavirus disease (COVID-19) pandemic social distancing in Wilmington, Delaware, U.S., November 3, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden reacts to early results from the 2020 U.S. presidential election, in Wilmington, Delaware, U.S., November 4, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden reacts to early results from the 2020 U.S. presidential election, in Wilmington, Delaware, U.S., November 4, 2020.

Chairs sit in social distancing circles because of the coronavirus disease (COVID-19) pandemic awaiting the arrival of supporters of U.S. Democratic presidential nominee Joe Biden for his 2020 U.S. presidential election night rally in Wilmington, Delaware, U.S., November 3, 2020.

A woman waits in the parking lot where U.S. Democratic presidential nominee Joe Biden will hold his 2020 U.S. presidential election night rally in Wilmington, Delaware, U.S., November 3, 2020.

Supporter of U.S. Democratic presidential nominee Joe Biden watch election results on a mobile phone in the parking lot where Biden will hold his 2020 U.S. presidential election night drive-in rally with supporters socially distanced in vehicles as a coronavirus disease (COVID-19) pandemic precaution in Wilmington, Delaware, U.S., November 3, 2020.

Supporters react as U.S. Democratic presidential nominee and former Vice President Joe Biden arrives with his wife Jill to react to early results from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 4, 2020.

Karen Valentine throws her arms up in celebration as she hears that U.S. Democratic presidential nominee Joe Biden has been projected as the winner of the state of Illinois as she and a friend set up a tailgaiting party table beside their vehicle in the parking lot where Biden will hold his 2020 U.S. presidential election night drive-in rally because of coronavirus disease (COVID-19) pandemic social distancing, in Wilmington, Delaware, U.S., November 3, 2020.

Supporters vehicles, parked in front of the stage for a drive-in rally because of the coronavirus disease (COVID-19) pandemic, wait for U.S. Democratic presidential nominee Joe Biden to hold his 2020 U.S. presidential election night rally in Wilmington, Delaware, U.S., November 3, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden arrives with his wife Jill to react to early results from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 4, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden arrives with his wife Jill to react to early results from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 4, 2020.

Supporters vehicles, parked in front of the stage for a drive-in rally because of the coronavirus disease (COVID-19) pandemic, wait for U.S. Democratic presidential nominee Joe Biden to hold his 2020 U.S. presidential election night rally in Wilmington, Delaware, U.S., November 3, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden arrives with his wife Jill to react to early results from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 4, 2020.

U.S. Democratic presidential nominee and former Vice President Joe Biden, accompanied by his wife Jill, arrives to deliver early results remarks from the 2020 U.S. presidential election in Wilmington, Delaware, U.S., November 4, 2020.

Supporters of U.S. Democratic presidential nominee Joe Biden have their cars parked in front of the stage waiting in the parking lot where he will hold his 2020 U.S. presidential election night rally because of coronavirus disease (COVID-19) pandemic social distancing in Wilmington, Delaware, U.S., November 3, 2020.

A Biden Harris campaign traffic cone marks off parking spaces for supporters' vehicles where U.S. Democratic presidential nominee Joe Biden will hold his 2020 U.S. presidential election night rally as a drive-in event because of coronavirus disease (COVID-19) pandemic social distancing in Wilmington, Delaware, U.S., November 3, 2020.