The parents of Raul Castillo are Raul H. and Adela Rodriguez de Castillo. His father is Raul H. Castillo, Sr., and his mother is Adela Rodriguez de Castillo.
He was protected from racism as a child since McAllen, where he was raised, had a large Mexican population. The name of his elder brother is Tony Castillo.
His parents relocated from Reynosa, Mexico to McAllen, Texas, prior to his birth. Nearly 90% of Mexican Americans reside in the city of McAllen, which is close to the US-Mexico border.
He grew raised in a fairly bicultural atmosphere because he lived so close to the US-Mexico border and his parents frequently traveled to see their relatives there.
He identified as American when he was in Mexico and as Mexican when he was traveling throughout the United States.
