Quick answers about Nicolaus
How many people are named Nicolaus?
An estimated 1,106 living Americans are named Nicolaus.
How rare is Nicolaus?
Nicolaus fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.
How old is the typical Nicolaus?
The median age of a living American named Nicolaus is approximately 31 years, with most bearers falling between 23 and 39 years old.
Is Nicolaus still popular?
Not especially. Nicolaus has been declining since its 1998 peak and registered 0 births in 2025.
Where is Nicolaus most common?
Nicolaus has its strongest geographic signal in California, where it appears 1.8× more often than the national baseline.
1971Peak 19982025
Where it lives now
Nicolaus is most concentrated in California — about 1.8× the national rate in the 1990s.
States where Nicolaus is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national
