Masculine dossier · first seen 1990
Kooper
Stable
Cross-generational persistence
Peak era
2022
Peak births
230
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Kooper
How many people are named Kooper?
An estimated 3,972 living Americans are named Kooper.
How rare is Kooper?
Kooper is uncommon among babies today, with 218 boys receiving the name in 2025, down 5.2% from its 2022 peak.
How old is the typical Kooper?
The median age of a living American named Kooper is approximately 11 years, with most bearers falling between 5 and 16 years old.
Is Kooper still popular?
Yes. Kooper is holding steady, with 218 births in 2025 and a consistent recent baseline.
Where is Kooper most common?
Kooper has its strongest geographic signal in Oklahoma, where it appears 4.6× more often than the national baseline.
1990Peak 20222025
Peak year
2022
Decline from peak
5.2%
2025
218
All-time
4,012
Where it lives now
Kooper is most concentrated in Oklahoma — about 4.6× the national rate in the 2010s. It also runs high in Utah and Missouri.
States where Kooper is given more often than the national average — its present-day heartland.