Location: Colorado State Fairgrounds, 1001 Beulah Ave. Pueblo CO 81004 Pueblo, Colorado (located 110 miles south of Denver, CO) A 100-acre parcel of land, owned by the State of Colorado, 80 acres of which are contained within an 8 foot stone wall. The city of Pueblo, proclaimed by the United Stateâs Congress in 1993 as â America âs Home of Heroes,â is not only home to the stateâs largest community gathering of the summer. Fair visitors can also enjoy other local attractions like the Riverwalk, Pueblo Zoo, Nature Center or the Arts Center. Whether itâs a single dayâs experience of endless enjoyment or several days of studying the many displays and enjoying the area, the Fair is a year-long memory for all participants and visitors Hours of Operation: Fair Hours â 10 a.m. to 11 p.m. Indoor vendors â 11 a.m. to 10 p.m. Outdoor Vendors â 10 a.m. to 11 p.m.