Masculine dossier · first seen 1979
Dillion
Endangered
Down 95.2% from peak
Peak era
1992
Peak births
354
Current vitality
Rare
Peak generation
Millennial
Quick answers about Dillion
How many people are named Dillion?
An estimated 3,575 living Americans are named Dillion.
How rare is Dillion?
Dillion is very rare among babies today, with 17 boys receiving the name in 2025, down 95.2% from its 1992 peak.
How old is the typical Dillion?
The median age of a living American named Dillion is approximately 28 years, with most bearers falling between 22 and 33 years old.
Is Dillion still popular?
No. Dillion is endangered as a baby name, down 95.2% from its 1992 peak with 17 births in 2025.
Where is Dillion most common?
Dillion has its strongest geographic signal in Arkansas, where it appears 4.2× more often than the national baseline.
1979Peak 19922025
Peak year
1992
Decline from peak
95.2%
2025
17
All-time
3,655
Where it lives now
Dillion is most concentrated in Arkansas — about 4.2× the national rate in the 1990s. It also runs high in Kentucky and Oklahoma.
States where Dillion is given more often than the national average — its present-day heartland.