The Millard County Fairgrounds is located at 187 South Manzanita Ave. in Delta. The fairgrounds offers an indoor arena and outdoor arena as well as a 13,350 sq. ft. exhibit building.
The Days of the Old West Rodeo is held every June in the outdoor arena.
Every July 4th the Hinckley Lions Club sponsors a Demolition Derby in the outdoor arena.
Every May is the "Old School Rock Crawl" held at the fairgrounds rock crawl area. There is also a mud bog area for races and a tractor pull area.
New in 2011 was the stock car dirt race track. The first races for 2012 are Saturday, April 7.
The Millard County Fair is held the first part of August and offers activities for the whole family.
The fairgrounds also host the Delta High School Rodeo as well as the Central UT Cutting Horse Association and 4-H Horse Shows.