Masculine dossier · first seen 1880
Seth
Endangered
Down 92.5% from peak
Peak era
2000
Peak births
6,717
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Seth
How many people are named Seth?
An estimated 156,277 living Americans are named Seth.
How rare is Seth?
Seth is moderately uncommon among babies today, with 505 boys receiving the name in 2025, down 92.5% from its 2000 peak.
How old is the typical Seth?
The median age of a living American named Seth is approximately 29 years, with most bearers falling between 22 and 40 years old.
Is Seth still popular?
No. Seth is endangered as a baby name, down 92.5% from its 2000 peak with 505 births in 2025.
Where is Seth most common?
Seth has its strongest geographic signal in Vermont, where it appears 6.1× more often than the national baseline.
1880Peak 20002025
Peak year
2000
Decline from peak
92.5%
2025
505
All-time
165,793