Unisex name · since 1920
Rio
5,530 babies named Rio in U.S. Social Security records since 1920, with the highest year being 2024. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #1,678 of 45,481
- all-time among boys
- #533 of 13,930
- 2025 SSA year
- 5,530
- born since 1920
- 2020s
- peak decade
Yes -- Rio is the #533 most popular unisex name in the U.S. today, with 5,530 recorded since 1920.
Social Security Administration records show Rio recorded 5,530 times among boys since 1920, holding rank #533 nationally today, ahead of 96% of boys, peaking in the 2020s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1920 to 2025.
- #1,678 of 45,481 all-time among boys
- #533 of 13,930 2025 SSA year
- 5,530 born since 1920
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Rio ranks #1,678 of 45,481 boys' names by all-time recorded births (highest first) and #533 of 13,930 among boys' names in 2025. 5,530 born since 1920, peaking in the 2020s.
- #1,678 of 45,481
- all-time among boys
- #533 of 13,930
- 2025 SSA year
- 5,530
- born since 1920
- 2020s
- peak decade
Rio's 5,530 recorded births place it above 96.31% of the 45,481 boys names in the full SSA archive.
38 jurisdictions carry state-level records, led by California.
How Rio compares
5,530 Top 12% higher than 88% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Rio's all-time total is 15x the median boys name, and Liam still leads by a wide margin.
| Metric | Rio | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 5,530 | 369 | 358,536 |
| Peak-year births | 593 | 34 | 22,252 |
Rio's usage pattern, beyond the headline number
Divide Rio's SSA record in two at 1994 and the more recent half accounts for 91% of all births, the earlier half the remaining 9%, consistent with a name still gaining ground rather than fading. Its calmest year was 1920, with only 5 births recorded -- set against the 2024 peak of 593, that's the full swing in one name's fortunes.
Rio popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1920–2025
- Peak year (2024)
- 593
- Annual births at peak, across 106 years of records
Rio popularity over time - girls
2,282 total births recorded since 1930 (Rio as girls' name)
Rio by decade
2020s is the heaviest window (2,908 births, 53% of the file).
2020s was Rio's strongest decade.
2,908 babies received the name during that ten-year window, about 53% of all-time use.
Rio births by decade
Total births in each ten-year window
- 1920s 10
1920s
10 births
- 1930s 5
1930s
5 births
- 1950s 10
1950s
10 births
- 1960s 16
1960s
16 births
- 1970s 97
1970s
97 births
- 1980s 191
1980s
191 births
- 1990s 411
1990s
411 births
- 2000s 636
2000s
636 births
- 2010s
2010s
1,246 births
- 2020s
2020s
2,908 births
What this shows Peak: 2020s at 2,908 births (53% of all-time use).
How Rio compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Rio's total volume
Rio by state
Where Rio concentrates geographically, total births since 1920
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 1,263 | 22.8% |
| #2 | Texas | | 341 | 6.2% |
| #3 | New York | | 319 | 5.8% |
| #4 | Florida | | 304 | 5.5% |
| #5 | Illinois | | 141 | 2.5% |
| #6 | Washington | | 139 | 2.5% |
| #7 | Colorado | | 111 | 2.0% |
| #8 | Arizona | | 109 | 2.0% |
1,263 of 5,530 births nationwide. Compared to a flat distribution across 38 reporting states.
Rio appears in 38 states. Explore state details →
Frequently Asked Questions
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What to do with Rio's data
- California records the most Rios (1,263 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Rio
Nearby Names Like Rio
Names with a similar sound, spelling, or feel to Rio
Compare Rio side by side: Rio vs Rion Rio vs Riot Rio vs Riordan
Related Names
Names with a similar popularity rank to Rio
Nationwide names with similar peak year or record span
Two nationwide peer axes for Rio: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2024)
Similar record span (~105 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1920–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Rio draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.