Demarco is a distinctive boys' name in United States, ranking #1323 in 2006 with 124 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 23.0%. In 2006, approximately 1 in every 16,574 boys born was named Demarco. FALLING Recent data shows the name is currently falling.