Randolph is a historically black populated place in Pinal County, Arizona, United States, located approximately 15 miles north of Picacho, and near Casa Grande.

The community was named after Epes Randolph, a vice-president and general manager of the Southern Pacific Railroad, who founded the town in the early 1920s.

[2] Randolph wanted to establish a successful city near Casa Grande.

[3]: 9  On July 18, 1925, the Randolph Post Office opened, with Channing E. Babbitt as its postmaster.

Many of those who settled in Randolph were black migrants from Oklahoma.