Demetrios is a distinctive boys' name in United States, ranking #1949 in 2000 with 53 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has increased by 35.9%. In 2000, approximately 1 in every 37,055 boys born was named Demetrios. RISING Recent data shows the name is currently rising.