This section of land, they divided into tracts for farming cotton. In 1919, an application was submitted for establishment of a post office. The name Cotton City was used, but it was rejected. The name Eloy was given to the town. Eloy was incorporated in 1949.
Agriculture plays a large role in the town s economy.
However, it is working on developing an industrial base. It is growing town with residents that are optimistic about the future. The Casa Grande Ruins National Monument is the tallest and largest Hohokam building known to exist. The monument is a four-story structure built in 1350 A.D. by the Hohokam Indians. The monument covers 427-acres and is a must see stop.