Demarco is a distinctive boys' name in United States, ranking #5083 in 2025 with 19 recorded births. The name reached its all-time peak in 1998 with 194 births ranking #787. Since 1996, the popularity has decreased by 88.2%. In 2025, approximately 1 in every 89,899 boys born was named Demarco. FALLING Recent data shows the name is currently falling.