Masculine dossier · first seen 1880
Allen
Endangered
Down 90.2% from peak
Peak era
1951
Peak births
5,179
Current vitality
Fragile
Peak generation
Boomer
Quick answers about Allen
How many people are named Allen?
An estimated 155,465 living Americans are named Allen.
How rare is Allen?
Allen is moderately uncommon among babies today, with 507 boys receiving the name in 2025, down 90.2% from its 1951 peak.
How old is the typical Allen?
The median age of a living American named Allen is approximately 55 years, with most bearers falling between 36 and 68 years old.
Is Allen still popular?
No. Allen is endangered as a baby name, down 90.2% from its 1951 peak with 507 births in 2025.
Where is Allen most common?
Allen has its strongest geographic signal in Louisiana, where it appears 2.4× more often than the national baseline.
1880Peak 19512025
Peak year
1951
Decline from peak
90.2%
2025
507
All-time
271,796
Where it lives now
Allen is most concentrated in North Dakota — about 2.3× the national rate in the 1940s.
States where Allen is given more often than the national average — its present-day heartland.