How Many People Are Named Reiko?
people named Reiko are alive in the United States today (estimate)
About 1 in 634,109 people in the US has this name
Based on 690 babies named Reiko in Social Security records from 1921 to 2023, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
29 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
Of the babies given the name Reiko, 96.6% were girls and 3.4% were boys.
👥 Age Distribution
The average person named Reiko alive today is about 40 years old, and 51% are between 30 and 59. Half of them were between 23 and 53 in 2025.
📈 Popularity Over Time
Reiko first appears in the records in 1921 and was given most often in 1975, to 29 babies. The last year it was given to at least 5 babies of one sex was 2023.
Babies given the name each year, 1921 to 2023
🏆 Rank History
Reiko has never been one of the 100 most popular girls' names. Its best rank was #2,365, in 1936.
| Girls | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #2,365 (1936) |
| Years in the top 100 | None |
| Rank in its biggest decade | #4,433 in the 1970s |
📍 State-Wise Distribution
People named Reiko alive today, by the state where they were born (estimate; state records start in 1910).
More people named Reiko were born in California than in any other state: about 57 of those alive today. Compared with the national rate in the same years, Reiko was given about 12.3 times as often in California.
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