Masculine dossier · first seen 1954
Jasen
Endangered
Down 91.2% from peak
Peak era
1979
Peak births
204
Current vitality
Rare
Peak generation
Gen X
Quick answers about Jasen
How many people are named Jasen?
An estimated 4,405 living Americans are named Jasen.
How rare is Jasen?
Jasen is very rare among babies today, with 18 boys receiving the name in 2025, down 91.2% from its 1979 peak.
How old is the typical Jasen?
The median age of a living American named Jasen is approximately 43 years, with most bearers falling between 24 and 50 years old.
Is Jasen still popular?
No. Jasen is endangered as a baby name, down 91.2% from its 1979 peak with 18 births in 2025.
Where is Jasen most common?
Jasen has its strongest geographic signal in Washington, where it appears 2.4× more often than the national baseline.
1954Peak 19792025
Peak year
1979
Decline from peak
91.2%
2025
18
All-time
4,659
Where it lives now
Jasen is most concentrated in Washington — about 2.4× the national rate in the 1970s. It also runs high in Michigan and Missouri.
States where Jasen is given more often than the national average — its present-day heartland.