Demetrios is a distinctive boys' name in United States, ranking #4423 in 2014 with 22 recorded births. The name reached its all-time peak in 2002 with 57 births ranking #1952. Since 1996, the popularity has decreased by 43.6%. In 2014, approximately 1 in every 87,293 boys born was named Demetrios. RISING Recent data shows the name is currently rising.