Demarcus is a distinctive boys' name in United States, ranking #750 in 2003 with 239 recorded births. The name reached its all-time peak in 1996 with 404 births ranking #510. Since 1996, the popularity has decreased by 40.8%. In 2003, approximately 1 in every 8,265 boys born was named Demarcus. FALLING Recent data shows the name is currently falling.