Demarkus is a distinctive boys' name in United States, ranking #5608 in 2021 with 16 recorded births. The name reached its all-time peak in 2009 with 37 births ranking #3121. Since 1996, the popularity has decreased by 51.5%. In 2021, approximately 1 in every 109,265 boys born was named Demarkus. RISING Recent data shows the name is currently rising.