How rare is the name Rio?

4,560 people in the United States have the first name Rio, about 1 in 66,235. It ranks #4,190 of 53,615 first names in the 2020 Census, tied with 1 other.

first name

RIO

#4,190

of 53,615 first names recorded in the 2020 Census

People
4,560
About
1 in 66,235
This common or more
83.7%
Who bears it

Of the 4,560 people named Rio, 34% reported their origin as White, 32.6% as Hispanic or Latino and 14.9% as Asian or Pacific Islander. 60.7% are male. These count how people described themselves on the 2020 Census, not where the name comes from.

Rio peaked in 2024, when 704 babies got the name.

Births per year, SSA records 1880–2025
19202025
Peak year
2024
Births that year
704
In 2025*
668 ▼5%
Recorded as
mostly male

At least 7,812 babies have been given the name since 1920. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Rio by decade

Among all names given to American babies, its best decade was the 2020s, when it ranked #1,025. The largest share of babies named Rio, 63.1%, were born in 2013 or later.

1920s#12,17210
1930s#9,74313
1950s#13,00310
1960s#13,05816
1970s#8,44097
1980s#4,707312
1990s#3,016831
2000s#3,0671,123
2010s#2,3321,836
2020s#1,0253,564
Greatest Generation 1901–270.1%
Silent Generation 1928–450.2%
Baby boom 1946–640.1%
Generation X 1965–801.6%
Millennials 1981–9611.2%
Generation Z 1997–1223.7%
2013 and later63.1%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Rio is most common

Compared with all babies born in each state since 1910, Rio has been most common in California (3.8×), Arizona (2.3×), and Florida (2.2×), and least common in Indiana (0.33×).

4,684 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Rio

1 other first name also has 4,560 people.

Spelled almost the same

3 first names in the 2020 Census spelled within a letter or two of Rio, most common first.

Also a last name

As a last name, Rio ranks #16,850 of 156,621, with 1,650 people. See Rio as a last name

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