MI-MRG: Clinton 41% Biden 22% Sanders 22% O’Malley 1%

[Adam Griffin]

Is Sanders winning the white vote here?

I've found that this map I made is often helpful in determining the likely D primary electorate for a given state (though in most cases, you'll want to make primary turnout a tad whiter than 2012 GE figures).

I'd guess that white share of the electorate is around 70%; black is probably even at about 25%. Knowing that...

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So Hillary's getting about 35% of the white vote.

For Biden...

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Biden is receiving 22% of the white vote.

We'll assume that an equivalent percentage of whites are undecided as are in the poll among all races, so 12%.

100% of whites - Hillary (35%) - Biden (22%) - Undecided (12%) = 31%

Sanders is receiving about 31% of the white vote.