Huckabee's wins have come as a blow for former Massachusetts governor Mitt Romney, who scored victories in Utah, Colorado, North Dakota, Minnesota, Montana and Massachusetts, his home state.
The November 3 election saw a record voter turnout of 66.9 per cent, which is the highest turnout rate since 1900. The 1900 election had recorded 73.7 per cent voter turnout
Republican Donald Trump has been elected as 45th President of the United States after winning 276 electoral votes.
Amidst a resurgent COVID-19 pandemic, nearly 100 million people have already cast their ballots in early voting, putting the country on course for its highest turnout in a century. Some 239 million people are eligible to vote this year.
Floyd died in Minneapolis on Monday after a white police officer pinned him to the ground. Video footage showed the officer kneeling on Floyd's neck as he gasped for breath. His death has triggered nationwide protests.
The US became the first country in the world to have more than one million cases of coronavirus. It accounts for nearly one-third of the 3.1 million cases globally.
The billionaire businessman beat his Democratic rival Hillary Clinton to become the 45th president of the United States.
The Union Health ministry put the number of positive cases at 82, eight more since Thursday night, which includes the woman and a 76-year-old man from Karnataka who became the country's first coronavirus fatality besides 17 foreign nationals, Health Ministry officials said.