Julio is a moderately popular boys' name in United States, ranking #268 in 2004 with 1,222 recorded births. The name reached its all-time peak in 2005 with 1,517 births ranking #227. Since 1996, the popularity has decreased by 15.7%. In 2004, approximately 1 in every 1,624 boys born was named Julio. FALLING Recent data shows the name is currently falling.