The Colorado Sun media bias rating is Lean Left.

The Colorado Sun is a digital news site launched in 2018 focusing on Denver, Colorado sand statewide affairs. According to its About page, the Sun "strives to cover all of Colorado so that our state — our community — can better understand itself."

An AllSides independent review determined that the Sun typically covers issues and stories more geared toward the left side of the political spectrum, with little coverage of issues that interest or primarily concern the right.