Demarkus is a distinctive boys' name in United States, ranking #2404 in 1998 with 36 recorded births. This places Demarkus in the top 21% 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 1998, approximately 1 in every 53,092 boys born was named Demarkus. RISING Recent data shows the name is currently rising.