Demetrio is a distinctive boys' name in United States, ranking #5256 in 2022 with 18 recorded births. The name reached its all-time peak in 1999 with 88 births ranking #1356. Since 1996, the popularity has decreased by 55.0%. In 2022, approximately 1 in every 96,910 boys born was named Demetrio. FALLING Recent data shows the name is currently falling.