Demario is a distinctive boys' name in United States, ranking #1673 in 2014 with 92 recorded births. The name reached its all-time peak in 2008 with 133 births ranking #1305. Since 1996, the popularity has decreased by 19.3%. In 2014, approximately 1 in every 20,874 boys born was named Demario. FALLING Recent data shows the name is currently falling.