Masculine dossier · first seen 1880
Colin
Stable Decline
Gradual decline from 2004
Peak era
2004
Peak births
5,122
Current vitality
Fragile
Peak generation
Gen Z
Quick answers about Colin
How many people are named Colin?
An estimated 126,442 living Americans are named Colin.
How rare is Colin?
Colin is moderately uncommon among babies today, with 950 boys receiving the name in 2025, down 81.5% from its 2004 peak.
How old is the typical Colin?
The median age of a living American named Colin is approximately 24 years, with most bearers falling between 17 and 36 years old.
Is Colin still popular?
Not especially. Colin has been declining since its 2004 peak and registered 950 births in 2025.
Where is Colin most common?
Colin has its strongest geographic signal in Hawaii, where it appears 10.3× more often than the national baseline.
1880Peak 20042025
Peak year
2004
Decline from peak
81.5%
2025
950
All-time
133,706
Where it lives now
Colin is most concentrated in Massachusetts — about 4.1× the national rate in the 2020s.
States where Colin is given more often than the national average — its present-day heartland.