Demetrio is a distinctive boys' name in United States, ranking #4779 in 2023 with 21 recorded births. The name reached its all-time peak in 1999 with 88 births ranking #1356. Since 1996, the popularity has decreased by 47.5%. In 2023, approximately 1 in every 81,360 boys born was named Demetrio. FALLING Recent data shows the name is currently falling.