How Many People Are Named Riku?
An estimated 465 people in the United States have the first name Riku. It is almost exclusively a male name. The average bearer is 14 years old, and Riku peaked in popularity in 2024 with 24 births that year.
Below you will find a full statistical profile of Riku 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 Riku paired with any surname.
Estimated Living Americans
465
About 1 in 737,106 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
14
years old
Peak Year
2024
24 births
Total Registered
470
since 1880
Gender Distribution for Riku
Riku is almost exclusively a male name. Out of 470 total births registered, 100.0% were male.
Riku as a male name
Ranked #4,391 in 2024
24 male births in 2024
Peak: 2024 (24 births)
Riku: Popularity Over Time
SSA records for Riku span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 180 babies were registered. While Riku is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Riku by Decade
How has Riku 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.
Riku by State
Riku + Last Name Combinations
How many people share a full name with Riku as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Riku
Other first names starting with R with a similar number of bearers.
Riku: Questions and Answers
How many people in the U.S. are named Riku?
We estimate approximately 465 people named Riku 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 737,106 Americans share this first name.
Is Riku a common name?
Riku is classified as "Very Rare" and is more popular than 83.9% of all first names in the SSA database. A total of 470 births have been registered with this name since 1880.
When was Riku most popular?
Riku reached peak popularity in 2024, when 24 babies were given this name. The average age of a living person named Riku is approximately 14 years old, reflecting when the name was most commonly given.
Is Riku a male name?
Riku is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Riku Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Riku Smith, Riku Johnson, Riku 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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