Masculine dossier · first seen 1881
Knox
Stable
Cross-generational persistence
Peak era
2022
Peak births
1,902
Current vitality
Healthy
Peak generation
Gen Alpha
Quick answers about Knox
How many people are named Knox?
An estimated 23,405 living Americans are named Knox.
How rare is Knox?
Knox is moderately uncommon among babies today, with 1,836 boys receiving the name in 2025.
How old is the typical Knox?
The median age of a living American named Knox is approximately 7 years, with most bearers falling between 4 and 11 years old.
Is Knox still popular?
Yes. Knox is holding steady, with 1,836 births in 2025 and a consistent recent baseline.
Where is Knox most common?
Knox has its strongest geographic signal in Tennessee, where it appears 5.4× more often than the national baseline.
1881Peak 20222025
Peak year
2022
Decline from peak
3.5%
2025
1,836
All-time
24,142
Where it lives now
Knox is most concentrated in South Dakota — about 4.4× the national rate in the 2020s.
States where Knox is given more often than the national average — its present-day heartland.