Masculine dossier · first seen 1880
Len
Stable
Cross-generational persistence
Peak era
1960
Peak births
121
Current vitality
Rare
Peak generation
Boomer
Quick answers about Len
How many people are named Len?
An estimated 2,454 living Americans are named Len.
How rare is Len?
Len is very rare among babies today, with 8 boys receiving the name in 2025, down 93.4% from its 1960 peak.
How old is the typical Len?
The median age of a living American named Len is approximately 60 years, with most bearers falling between 49 and 68 years old.
Is Len still popular?
Yes. Len is holding steady, with 8 births in 2025 and a consistent recent baseline.
1880Peak 19602025
Peak year
1960
Decline from peak
93.4%
2025
8
All-time
4,514