Democratic President Joe Biden and his Republican rival Donald Trump won a series of primary races on Tuesday as many Americans continue to register their disapproval.

In New Jersey, Biden has received 88.5% of the Democratic primary vote, while the uncommitted campaign – linked with protests over the administration's support for Israel's assault on Gaza – got 8.7%. Anti-abortion candidate Terrisa Bukovinac brought in 2.8%.

Republican Trump ran uncontested in the state, home to his National Golf Club in Bedminster.

Montana has seen Biden come away with 91.6% of the vote thus far, while 8.4% of voters said they had "no preference" in the Democratic race – the state's version of the uncommitted option.

Donald Trump Panama president rules out talks with Trump over canal threat: "There's nothing to talk about"

The Republican primary delivered 90.7% of the vote to Trump, with 9.3% "no preference."

It was the first slate of primary elections since Trump was convicted by a New York jury of covering up hush money payments to a porn star during his 2016 campaign.

Biden got 83.5% of Democratic votes in New Mexico, which also saw a large uncommitted turnout at 9.7%. Progressive challenger Marianne Williamson, who has also been critical of Biden's support for Israel, took home 6.7%.

Trump dominated the Republican primary with 84.5% of the vote, although Nikki Haley, who suspended her campaign in March and has since backed the former president, came in with 8.6%. GOP voters cast 3.3% of ballots uncommitted.

Biden won the South Dakota Democratic primary with 74.6% of the vote. Williamson brought in 11.6%, while Congressman Dean Phillips scored 9.6% despite dropping out of the race after Super Tuesday. Armando Perez-Serrato, who has called for immediate International Criminal Court arrest warrants for "Genocide Joe" and "Holocaust Harris" over their Gaza policy, got 4.2%.

Donald Trump Panama leaders issue joint response after Trump's threat to seize control of canal

Trump ran uncontested in the Republican primary.

Washington DC also held its Democratic primary on Tuesday, with Biden bringing in 87.2% of the vote so far. Williamson got 4.5% and Perez-Serrato 1.2%, while 7.1% were write-ins.

As final results are still being tabulated in the races, it's clear many voters are less than thrilled with the prospect of a looming Biden-Trump rematch.