Colin Jost is 43 years old as of 2026.

He was born on June 29, 1982, in Staten Island, New York, which means he turned 43 on June 29, 2025, and will turn 44 on June 29, 2026. Public profiles and biographies list his birth date consistently, and several sites explicitly state his current age as 43.

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