Demetrio is a distinctive boys' name in United States, ranking #2051 in 2002 with 53 recorded births. The name reached its all-time peak in 1999 with 88 births ranking #1356. Since 1996, the popularity has increased by 32.5%. In 2002, approximately 1 in every 36,632 boys born was named Demetrio. FALLING Recent data shows the name is currently falling.