Demetrios is a distinctive boys' name in United States, ranking #4138 in 2019 with 25 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has decreased by 35.9%. In 2019, approximately 1 in every 71,734 boys born was named Demetrios. RISING Recent data shows the name is currently rising.