Masculine dossier · first seen 1909
Arnulfo
Stable Decline
Gradual decline from 1992
Peak era
1992
Peak births
119
Current vitality
Rare
Peak generation
Millennial
Quick answers about Arnulfo
How many people are named Arnulfo?
An estimated 4,804 living Americans are named Arnulfo.
How rare is Arnulfo?
Arnulfo is very rare among babies today, with 29 boys receiving the name in 2025, down 75.6% from its 1992 peak.
How old is the typical Arnulfo?
The median age of a living American named Arnulfo is approximately 39 years, with most bearers falling between 26 and 54 years old.
Is Arnulfo still popular?
Not especially. Arnulfo has been declining since its 1992 peak and registered 29 births in 2025.
Where is Arnulfo most common?
Arnulfo has its strongest geographic signal in Texas, where it appears 14.3× more often than the national baseline.
1909Peak 19922025
Peak year
1992
Decline from peak
75.6%
2025
29
All-time
6,316
Where it lives now
Arnulfo is most concentrated in Texas — about 13.1× the national rate in the 1950s.
States where Arnulfo is given more often than the national average — its present-day heartland.