How Many People Are Named Rio?
people named Rio are alive in the United States today (estimate)
About 1 in 44,416 people in the US has this name
Based on 7,812 babies named Rio in Social Security records from 1920 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
704 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
Of the babies given the name Rio, 29.3% were girls and 70.7% were boys. The share of girls among babies named Rio fell from 38.8% in the 1980s to 18.4% in the 2020s. It was highest in the 1990s, at 50.5%.
👥 Age Distribution
The average person named Rio alive today is about 12 years old, and 89% are under 30. Half of them were between 2 and 18 in 2025.
📈 Popularity Over Time
Rio first appears in the records in 1920 and was given most often in 2024, to 704 babies. In 2025, 668 babies got the name.
Babies given the name each year, 1920 to 2025
🏆 Rank History
Rio has never been one of the 100 most popular boys' names. Its best rank was #517, in 2024. In 2025 it ranked #532. Among girls, its best rank was #1,679, in 2021.
| Boys | Girls | |
|---|---|---|
| Rank in 2025 | #532 | #1,877 |
| Best rank | #517 (2024) | #1,679 (2021) |
| Years in the top 100 | None | None |
| Rank in its biggest decade | #592 in the 2020s | #1,840 in the 2020s |
📍 State-Wise Distribution
People named Rio alive today, by the state where they were born (estimate; state records start in 1910).
More people named Rio were born in California than in any other state: about 1,792 of those alive today. Compared with the national rate in the same years, Rio was given 3 times as often in California, 1.7 times in Washington and 1.5 times in Colorado.
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