Rio
Girl name · #1875 in 2025 · Uniqueness 64/100
Rio is currently the #1875 girl name in the United States — 105 babies received it in 2025. A decade ago it stood at #3915, so the name has been rising over the past ten years. Roughly one in every 17,143 girls born in 2025 was named Rio.
The 95-year story
Rio first appears in the Social Security records in 1930, when 8 girls received the name. Its peak came in 2021, when 124 girls were named Rio — good for #1676 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Rio per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Rio against up to 5 other names.
Uniqueness: will there be another Rio in class?
Rio scores 64 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Rio is most common
Geography matters for names, and Rio is no exception. In 2025 the states with the most Rios were CA (27), NY (13), WA (8), TX (6), UT (6). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Rio
Statistically, parents drawn to Rio tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Reem, Raine, Ryah, Aiko, and Coco.
ReemRaineRyahAikoCocoRuhiRyaRain
Rank history (last 25 years)
| Year | Babies named Rio | Rank |
|---|---|---|
| 2025 | 105 | #1872 |
| 2024 | 111 | #1810 |
| 2023 | 106 | #1878 |
| 2022 | 119 | #1742 |
| 2021 | 124 | #1676 |
| 2020 | 91 | #2034 |
| 2019 | 110 | #1844 |
| 2018 | 77 | #2361 |
| 2017 | 51 | #3145 |
| 2016 | 61 | #2798 |
| 2015 | 38 | #3915 |
| 2014 | 45 | #3486 |
| 2013 | 43 | #3573 |
| 2012 | 51 | #3213 |
| 2011 | 56 | #3014 |
| 2010 | 58 | #2938 |
| 2009 | 68 | #2672 |
| 2008 | 59 | #2957 |
| 2007 | 54 | #3168 |
| 2006 | 49 | #3316 |
| 2005 | 47 | #3257 |
| 2004 | 41 | #3566 |
| 2003 | 56 | #2771 |
| 2002 | 33 | #3889 |
| 2001 | 42 | #3256 |
Frequently asked questions
Is Rio a popular girl name?
Rio ranked #1875 among girls in 2025 with 105 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3915.
When was the name Rio most popular?
Rio peaked in 2021, when 124 American girls received the name (ranked #1676 that year). Since 2021 the name has declined from that high.
How rare is the name Rio?
In 2025, roughly 1 in 17,143 newborn American girls was named Rio. It scores 64/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.