Demarcus is a distinctive boys' name in United States, ranking #1082 in 2015 with 181 recorded births. The name reached its all-time peak in 1996 with 404 births ranking #510. Since 1996, the popularity has decreased by 55.2%. In 2015, approximately 1 in every 10,587 boys born was named Demarcus. FALLING Recent data shows the name is currently falling.