Quick answers about Chau
How many people are named Chau?
An estimated 376 living Americans are named Chau.
How rare is Chau?
Chau 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 Chau?
The median age of a living American named Chau is approximately 36 years, with most bearers falling between 25 and 42 years old.
Is Chau still popular?
Not especially. Chau has been declining since its 1980 peak and registered 0 births in 2025.
Where is Chau most common?
Chau has its strongest geographic signal in California, where it appears 3.7× more often than the national baseline.
1975Peak 19802025
Where it lives now
Chau is most concentrated in California — about 3.7× the national rate in the 1980s.
States where Chau is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national