Julio is a moderately popular boys' name in United States, ranking #255 in 2002 with 1,273 recorded births. The name reached its all-time peak in 2005 with 1,517 births ranking #227. Since 1996, the popularity has decreased by 12.2%. In 2002, approximately 1 in every 1,525 boys born was named Julio. FALLING Recent data shows the name is currently falling.