Donald Trump has become president of the United States twice: first in January 2017 and again in January 2025, after being reelected.

Key dates

  • He first became president on January 20, 2017, when he was inaugurated as the 45th president after winning the 2016 election.
  • He became president again on January 20, 2025, when he was inaugurated for a second, non-consecutive term as the 47th president after winning the 2024 election.

So, if you’re asking “when did Trump become president,” the core answer is:

  1. January 20, 2017 (first term).
  1. January 20, 2025 (second term).

Information gathered from public forums or data available on the internet and portrayed here.