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Democratic presidential hopefuls Bernie Sanders and Hillary Clinton came out of Monday's Iowa caucuses in a tight race for the win.

Still, stark differences emerged between the candidates' respective supporters. According to analysis of the Iowa entrance polls by ABC News and Langer Research Associates, Sanders won the youth vote—by a lot.

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ABC News reports that 84% of voters under 30 selected Sanders. For context, Barack Obama captured 57% of the under-30 vote when he beat Clinton in Iowa in 2008.

Sanders also won the unmarried male demographic: 66% of voters compared with 30% who voted for Clinton. Unmarried women were also more likely to vote for Sanders over Clinton, but the margin was slimmer: 53% to 43%.

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Clinton, however, led among women overall. According to ABC News, 60% of married women voted for Clinton, compared to 34% for Sanders. That lead was solidified for Clinton: 57% of the caucus voters were women.

More from ABC:

It was “very” liberals, in particular, who boosted Sanders; they accounted for 28 percent of caucus-goers, up from 18 percent eight years ago, and he won them by a 19-point margin. Clinton was more competitive among “somewhat” liberals and especially moderates – a 23-point lead in that group… Clinton also countered strongly with repeat caucus-goers and seniors, whose turnout was up. She won mainline Democrats by 56-39 percent, while Sanders took independents by a double-wide 43-point margin.

The Huffington Post's Zach Carter offers some thoughts on why young, Democratic voters are so much more enamored with Sanders than Clinton:

The financial crisis of 2008 and the Great Recession changed the political playing field. Today's Democratic base is far more skeptical of corporate power than the party of the 1990s was… It is, in short, the wing of the party whose worldview was shaped more by the banking crash than the Reagan era — a generation angry about income inequality which does not trust the generation that created the problem to fix it.

An apt kickoff to this election season.

Danielle Wiener-Bronner is a news reporter.