Masculine dossier · first seen 1957
Zac
Stable Decline
Gradual decline from 2014
Peak era
2014
Peak births
84
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Zac
How many people are named Zac?
An estimated 1,566 living Americans are named Zac.
How rare is Zac?
Zac is very rare among babies today, with 37 boys receiving the name in 2025, down 56% from its 2014 peak.
How old is the typical Zac?
The median age of a living American named Zac is approximately 14 years, with most bearers falling between 9 and 22 years old.
Is Zac still popular?
Not especially. Zac has been declining since its 2014 peak and registered 37 births in 2025.
Where is Zac most common?
Zac has its strongest geographic signal in New York, where it appears 1.6× more often than the national baseline.
1957Peak 20142025
Peak year
2014
Decline from peak
56%
2025
37
All-time
1,600
Where it lives now
Zac is most concentrated in New York — about 1.6× the national rate in the 2010s. It also runs high in California.
States where Zac is given more often than the national average — its present-day heartland.