Donald Trump delivered on his promise to flip the Democrats’ electoral hold on the industrial Midwest.

Across swing states — and others previously thought to be safe for Democrats — Trump colored dozens of counties red that hadn’t gone Republican in decades.

[ How Donald Trump broke the old rules of politics — and won the White House]

Of the nearly 700 counties that twice sent Obama to the White House, a stunning one-third flipped to support Trump.

Trump also won 194 of the 207 counties that voted for Obama either in 2008 or 2012.