Masculine dossier · first seen 1892
Dillon
Endangered
Down 95% from peak
Peak era
1992
Peak births
5,062
Current vitality
Fragile
Peak generation
Millennial
Quick answers about Dillon
How many people are named Dillon?
An estimated 63,260 living Americans are named Dillon.
How rare is Dillon?
Dillon is uncommon among babies today, with 253 boys receiving the name in 2025, down 95% from its 1992 peak.
How old is the typical Dillon?
The median age of a living American named Dillon is approximately 28 years, with most bearers falling between 21 and 33 years old.
Is Dillon still popular?
No. Dillon is endangered as a baby name, down 95% from its 1992 peak with 253 births in 2025.
Where is Dillon most common?
Dillon has its strongest geographic signal in Idaho, where it appears 3.8× more often than the national baseline.
1892Peak 19922025
Peak year
1992
Decline from peak
95%
2025
253
All-time
65,225
Where it lives now
Dillon is most concentrated in Montana — about 3.4× the national rate in the 2000s.
States where Dillon is given more often than the national average — its present-day heartland.