Demario is a distinctive boys' name in United States, ranking #1358 in 2001 with 94 recorded births. The name reached its all-time peak in 2008 with 133 births ranking #1305. Since 1996, the popularity has decreased by 17.5%. In 2001, approximately 1 in every 20,668 boys born was named Demario. FALLING Recent data shows the name is currently falling.