Demetrios is a distinctive boys' name in United States, ranking #2569 in 1998 with 33 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has decreased by 15.4%. In 1998, approximately 1 in every 57,919 boys born was named Demetrios. RISING Recent data shows the name is currently rising.