Demarius is a distinctive boys' name in United States, ranking #5922 in 2025 with 15 recorded births. The name reached its all-time peak in 2006 with 102 births ranking #1492. Since 1996, the popularity has decreased by 71.7%. In 2025, approximately 1 in every 113,872 boys born was named Demarius. STABLE Recent data shows the name is currently stable.