Julio is a moderately popular boys' name in United States, ranking #271 in 2003 with 1,158 recorded births. The name reached its all-time peak in 2005 with 1,517 births ranking #227. Since 1996, the popularity has decreased by 20.1%. In 2003, approximately 1 in every 1,706 boys born was named Julio. FALLING Recent data shows the name is currently falling.