When Is The Colorado State Fair 2024. Colorado state fair is happening on thursday, aug 29, 2024 at 8:00am at the venue colorado state fairgrounds in pueblo, co. The colorado state fair is an event held annually in late august in pueblo, colorado.

The colorado state fair is an annual extravaganza that captures the essence of summer’s end in the heart of pueblo. The colorado state fair has been a staple of the state since its inception in 1876.