Demetrios is a distinctive boys' name in United States, ranking #1952 in 2002 with 57 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has increased by 46.2%. In 2002, approximately 1 in every 34,061 boys born was named Demetrios. RISING Recent data shows the name is currently rising.