Quick answers about Hieu
How many people are named Hieu?
An estimated 812 living Americans are named Hieu.
How rare is Hieu?
Hieu is very rare among babies today, with 9 boys receiving the name in 2025, down 76.3% from its 1984 peak.
How old is the typical Hieu?
The median age of a living American named Hieu is approximately 32 years, with most bearers falling between 22 and 39 years old.
Is Hieu still popular?
Not especially. Hieu has been declining since its 1984 peak and registered 9 births in 2025.
Where is Hieu most common?
Hieu has its strongest geographic signal in California, where it appears 2.2× more often than the national baseline.
1976Peak 19842025
Where it lives now
Hieu is most concentrated in California — about 2.1× the national rate in the 1990s.
States where Hieu is given more often than the national average — its present-day heartland.
3×+
2×+
1.5×+
1.2×+
~ national
