Demetrus is a distinctive boys' name in United States, ranking #7039 in 2006 with 11 recorded births. The name reached its all-time peak in 1996 with 20 births ranking #3435. Since 1996, the popularity has decreased by 45.0%. In 2006, approximately 1 in every 186,829 boys born was named Demetrus. FALLING Recent data shows the name is currently falling.