Masculine dossier · first seen 1968
Demario
Endangered
Down 91% from peak
Peak era
1989
Peak births
334
Current vitality
Rare
Peak generation
Millennial
Quick answers about Demario
How many people are named Demario?
An estimated 6,164 living Americans are named Demario.
How rare is Demario?
Demario is very rare among babies today, with 30 boys receiving the name in 2025, down 91% from its 1989 peak.
How old is the typical Demario?
The median age of a living American named Demario is approximately 34 years, with most bearers falling between 20 and 40 years old.
Is Demario still popular?
No. Demario is endangered as a baby name, down 91% from its 1989 peak with 30 births in 2025.
Where is Demario most common?
Demario has its strongest geographic signal in Mississippi, where it appears 8.3× more often than the national baseline.
1968Peak 19892025
Peak year
1989
Decline from peak
91%
2025
30
All-time
6,364
Where it lives now
Demario is most concentrated in Mississippi — about 8.3× the national rate in the 1990s.
States where Demario is given more often than the national average — its present-day heartland.