Demarcus is a distinctive boys' name in United States, ranking #607 in 1999 with 302 recorded births. The name reached its all-time peak in 1996 with 404 births ranking #510. Since 1996, the popularity has decreased by 25.2%. In 1999, approximately 1 in every 6,358 boys born was named Demarcus. FALLING Recent data shows the name is currently falling.