Demario is a distinctive boys' name in United States, ranking #2281 in 2015 with 58 recorded births. The name reached its all-time peak in 2008 with 133 births ranking #1305. Since 1996, the popularity has decreased by 49.1%. In 2015, approximately 1 in every 33,039 boys born was named Demario. FALLING Recent data shows the name is currently falling.