Union Correctional Institution, formerly referred to as Florida State Prison, Raiford Prison and State Prison Farm is located in unincorporated Union County, Florida, near Raiford. Opened in 1913, the prison underwent large scale renovation and restructure in 1961 splitting into the present day Union Correctional Institution and Florida State Prison. The prison has a maximum capacity of 2,172 prisoners. The institution has undergone large changes, both system and structural, since the opening almost 100 years ago. State Prison Farm was well known as one of the last prisons in America to abolish convict lease, in 1923.