Demarkus is a distinctive boys' name in United States, ranking #9044 in 2016 with 8 recorded births. The name reached its all-time peak in 2009 with 37 births ranking #3121. Since 1996, the popularity has decreased by 75.8%. In 2016, approximately 1 in every 237,151 boys born was named Demarkus. RISING Recent data shows the name is currently rising.