Former Vice President Joe Biden will win the Idaho Democratic presidential primary, Insider and Decision Desk HQ project.

Biden also won primaries in Mississippi, Missouri, and Michigan on Tuesday.

Full results have yet to come in for Washington and North Dakota, which also held elections Tuesday.

We'll have up-to-the-minute live vote counts and results updating automatically in real time.

You can follow along with the nationwide results here.

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Former Vice President Joe Biden will win the Idaho Democratic primary, Insider and Decision Desk HQ project.

Idaho Democratic primary results:

Catch up on live coverage from the primary:

Our main results page has all of the action from Tuesday's primaries and caucuses.

Primary:

In addition to Idaho, Biden netted important victories in the Mississippi, Missouri, and Michigan Democratic primaries, the latter of which Sen. Bernie Sanders of Vermont narrowly won in his 2016 presidential bid.

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Pre-primary:

What's at stake in the primary?

Democrats allocate most of their pledged delegates proportionally by legislative district, in addition to allocating at-large and PLEO (party leader and elected official) delegates based on the statewide vote breakdown.

Idaho allocates a very small share, with just 20 pledged delegates. Thirteen of Idaho's delegates are allocated between the state's two congressional districts, and seven at-large and PLEO delegates are allocated statewide.

As in most other states, candidates must earn over the minimum threshold of 15% of the vote in a given district or statewide to earn any delegates.

Who did the polls say was ahead?

A Data for Progress poll released Monday, the only Idaho Democratic primary poll from this cycle, showed Biden with the support of 51% of likely Idaho Democratic primary voters compared with 47% for Sanders. The poll, conducted Saturday to Monday, had a margin of error of plus or minus 5.4 percentage points.

FiveThirtyEight's primary election forecast projects that Biden has a 70% chance of winning the most delegates out of Idaho compared with a 36% chance for Sanders.