Demetrius is a distinctive boys' name in United States, ranking #690 in 2014 with 362 recorded births. The name reached its all-time peak in 1996 with 759 births ranking #338. Since 1996, the popularity has decreased by 52.3%. In 2014, approximately 1 in every 5,305 boys born was named Demetrius. FALLING Recent data shows the name is currently falling.