Demetrius is a distinctive boys' name in United States, ranking #808 in 2019 with 283 recorded births. The name reached its all-time peak in 1996 with 759 births ranking #338. Since 1996, the popularity has decreased by 62.7%. In 2019, approximately 1 in every 6,337 boys born was named Demetrius. FALLING Recent data shows the name is currently falling.