Demario is a distinctive boys' name in United States, ranking #3681 in 2025 with 30 recorded births. The name reached its all-time peak in 2008 with 133 births ranking #1305. Since 1996, the popularity has decreased by 73.7%. In 2025, approximately 1 in every 56,936 boys born was named Demario. FALLING Recent data shows the name is currently falling.