Demarco is a distinctive boys' name in United States, ranking #1125 in 2002 with 128 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 20.5%. In 2002, approximately 1 in every 15,168 boys born was named Demarco. FALLING Recent data shows the name is currently falling.