Demarco is a distinctive boys' name in United States, ranking #1226 in 2003 with 119 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 26.1%. In 2003, approximately 1 in every 16,599 boys born was named Demarco. FALLING Recent data shows the name is currently falling.