In Florida, at least 200,000 more Hispanics had voted early as of Friday than did during the entire early voting period four years ago, according to an analysis by Steve Schale, a Democratic strategist who helped run President Obama’s two campaigns here.

The turnout has been particularly explosive in South Florida and Central Florida, where thousands from Puerto Rico and other regions of Latin America have migrated in recent years. And 24 percent of the Hispanics casting early ballots were first-time voters, the analysis showed….

In Nevada, which has the fastest-growing Latino population in the West, Democrats appeared to have built a fearsome advantage in Las Vegas’s Clark County at the end of early voting Friday, largely because of a surge of votes from Mexican-Americans…

As of the end of early voting on Thursday, five states with surging Hispanic populations — Arizona, Colorado, Florida, North Carolina and Nevada — had already cast ballots equivalent to over 50 percent of their total turnout from 2012, according to an analysis by Catalist, a Democratic data firm.