How Many People Are Named Keiko?
An estimated 986 people in the United States have the first name Keiko. It is predominantly female (99.4%). The average bearer is 30 years old, and Keiko peaked in popularity in 1995 with 31 births that year.
Below you will find a full statistical profile of Keiko 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 Keiko paired with any surname.
Estimated Living Americans
986
About 1 in 347,621 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
99.4% confidence
Average Age
30
years old
Peak Year
1995
31 births
Total Registered
1,160
since 1880
Gender Distribution for Keiko
Keiko is almost exclusively a female name. Out of 1,160 total births registered, 99.4% were female.
Keiko as a male name
Ranked #10,375 in 2024
7 male births in 2024
Peak: 2024 (7 births)
Keiko as a female name
Ranked #5,507 in 2024
23 female births in 2024
Peak: 1995 (31 births)
Keiko: Popularity Over Time
SSA records for Keiko span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1990s, when 182 babies were registered. While Keiko is less common than at its peak in the 1990s, it remains a well-established name with steady registrations.
Keiko by Decade
How has Keiko 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.
Keiko by State
Keiko + Last Name Combinations
How many people share a full name with Keiko as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Keiko
Other first names starting with K with a similar number of bearers.
Keiko: Questions and Answers
How many people in the U.S. are named Keiko?
We estimate approximately 986 people named Keiko 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 347,621 Americans share this first name.
Is Keiko a common name?
Keiko is classified as "Very Rare" and is more popular than 90% of all first names in the SSA database. A total of 1,160 births have been registered with this name since 1880.
When was Keiko most popular?
Keiko reached peak popularity in 1995, when 31 babies were given this name. The average age of a living person named Keiko is approximately 30 years old, reflecting when the name was most commonly given.
Is Keiko a female name?
Keiko is predominantly female. 99.4% of people with this name are female. See the gender breakdown above for full details.
How many Keiko Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Keiko Smith, Keiko Johnson, Keiko 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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