Demarco is a distinctive boys' name in United States, ranking #1689 in 2011 with 88 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 45.3%. In 2011, approximately 1 in every 21,579 boys born was named Demarco. FALLING Recent data shows the name is currently falling.