Demetrios is a distinctive boys' name in United States, ranking #3922 in 2012 with 26 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has decreased by 33.3%. In 2012, approximately 1 in every 72,947 boys born was named Demetrios. RISING Recent data shows the name is currently rising.