How Many People Are Named Hieu?
An estimated 831 people in the United States have the first name Hieu. It is predominantly male (96.7%). The average bearer is 31 years old, and Hieu peaked in popularity in 1984 with 47 births that year.
Below you will find a full statistical profile of Hieu as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Hieu paired with any surname.
Estimated Living Americans
831
About 1 in 412,460 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
96.7% confidence
Average Age
31
years old
Peak Year
1984
47 births
Total Registered
855
since 1880
Gender Distribution for Hieu
Hieu is predominantly male (96.7%), though 28 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Hieu as a male name
Ranked #11,400 in 2024
6 male births in 2024
Peak: 1984 (38 births)
Hieu as a female name
Ranked #10,836 in 1988
6 female births in 1988
Peak: 1984 (9 births)
Hieu: Popularity Over Time
SSA records for Hieu span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1980s, when 314 babies were registered. Hieu has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Hieu by Decade
How has Hieu tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Hieu by State
Birth registrations for Hieu span all 3 states and territories in the SSA database. The highest counts are in California, Texas, Louisiana. The lowest are in Louisiana, Texas, California. On average, about 78 Hieus were registered per state.
Hieu + Last Name Combinations
How many people share a full name with Hieu as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hieu
Other first names starting with H with a similar number of bearers.
Hieu: Questions and Answers
How many people in the U.S. are named Hieu?
We estimate approximately 831 people named Hieu are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 412,460 Americans share this first name.
Is Hieu a common name?
Hieu is classified as "Very Rare" and is more popular than 88.9% of all first names in the SSA database. A total of 855 births have been registered with this name since 1880.
When was Hieu most popular?
Hieu reached peak popularity in 1984, when 47 babies were given this name. The average age of a living person named Hieu is approximately 31 years old, reflecting when the name was most commonly given.
Is Hieu a male name?
Hieu is predominantly male. 96.7% of people with this name are male. See the gender breakdown above for full details.
How many Hieu Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hieu Smith, Hieu Johnson, Hieu Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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