Demetrus is a distinctive boys' name in United States, ranking #9381 in 2000 with 6 recorded births. The name reached its all-time peak in 1996 with 20 births ranking #3435. Since 1996, the popularity has decreased by 70.0%. In 2000, approximately 1 in every 327,322 boys born was named Demetrus. FALLING Recent data shows the name is currently falling.