Masculine dossier · first seen 1958
Koby
Stable Decline
Gradual decline from 2000
Peak era
2000
Peak births
411
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Koby
How many people are named Koby?
An estimated 5,908 living Americans are named Koby.
How rare is Koby?
Koby is uncommon among babies today, with 66 boys receiving the name in 2025, down 83.9% from its 2000 peak.
How old is the typical Koby?
The median age of a living American named Koby is approximately 24 years, with most bearers falling between 16 and 28 years old.
Is Koby still popular?
Not especially. Koby has been declining since its 2000 peak and registered 66 births in 2025.
Where is Koby most common?
Koby has its strongest geographic signal in Louisiana, where it appears 3.6× more often than the national baseline.
1958Peak 20002025
Peak year
2000
Decline from peak
83.9%
2025
66
All-time
6,038