Demarkus is a distinctive boys' name in United States, ranking #2683 in 1999 with 32 recorded births. This places Demarkus in the top 23% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 37 births ranking #3121. In 1999, approximately 1 in every 60,003 boys born was named Demarkus. RISING Recent data shows the name is currently rising.