Demarkus is a distinctive boys' name in United States, ranking #9932 in 2017 with 7 recorded births. The name reached its all-time peak in 2009 with 37 births ranking #3121. Since 1996, the popularity has decreased by 78.8%. In 2017, approximately 1 in every 264,331 boys born was named Demarkus. RISING Recent data shows the name is currently rising.