Demarkus is a distinctive boys' name in United States, ranking #4574 in 2020 with 21 recorded births. The name reached its all-time peak in 2009 with 37 births ranking #3121. Since 1996, the popularity has decreased by 36.4%. In 2020, approximately 1 in every 82,146 boys born was named Demarkus. RISING Recent data shows the name is currently rising.