Demarco is a distinctive boys' name in United States, ranking #1627 in 2013 with 94 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 41.6%. In 2013, approximately 1 in every 20,120 boys born was named Demarco. FALLING Recent data shows the name is currently falling.