Not half the population. Using approximates:
US population: 345 million
Can vote: 245 million
Did actually vote: 156 million (63%)
Voted drump: Just over half (78 million or 50.5%) of those that voted
US population who voted for tangerine: Around 22%, or 1 in 4
US population who could vote and did vote for tangerine: 31%, or 1 in 3