Julio is a moderately popular boys' name in United States, ranking #338 in 2010 with 928 recorded births. The name reached its all-time peak in 2005 with 1,517 births ranking #227. Since 1996, the popularity has decreased by 36.0%. In 2010, approximately 1 in every 2,067 boys born was named Julio. FALLING Recent data shows the name is currently falling.