Demarco is a distinctive boys' name in United States, ranking #1192 in 2004 with 129 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 19.9%. In 2004, approximately 1 in every 15,386 boys born was named Demarco. FALLING Recent data shows the name is currently falling.