Demetrios is a distinctive boys' name in United States, ranking #2440 in 2005 with 47 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has increased by 20.5%. In 2005, approximately 1 in every 42,492 boys born was named Demetrios. RISING Recent data shows the name is currently rising.