How Many People Are Named Rio Brown?

There are approximately 34 people named Rio Brown living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 10,081,010 Americans.

This estimate combines SSA birth records for the first name Rio with Census Bureau frequency data for the surname Brown. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.

Estimated People with This Name

1 in 10,081,010 Americans

Combination Rarity

Rare

Very Rare Very Common

First Name

Rio

Last Name

Brown

Est. Bearers 1,636,337

Census Rank #4

Per 100K 487.16

Rarity Very Common

Rio: Popularity Over Time

Year-by-year SSA birth registrations for the first name Rio. The peak year was 2024 with 702 births. The average person named Rio today is 14 years old.

Male

Female

Ancestry of the Brown Surname

Self-reported race and ethnicity breakdown for people with the surname Brown, from the 2010 U.S. Census Bureau.

White

57.95%

Black

35.60%

Hispanic

2.52%

Asian/Pacific Islander

0.51%

American Indian/Alaska Native

0.87%

Two or More Races

2.55%

How we calculated this

The first name "Rio" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Brown" appears at a rate of 487.16 per 100,000 people in the 2010 U.S. Census.

Multiplying these frequencies against the U.S. population of ~343 million gives 34 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Rio

Rio Smith Rio Ferdinand

Other people with the surname Brown

Michael Brown James Brown John Brown David Brown Robert Brown William Brown Christopher Brown Joseph Brown

Rio Brown: Questions and Answers

How many people are named Rio Brown?

We estimate approximately 34 people named Rio Brown are alive in the United States today. The first name Rio is shared by 7,022 Americans, and the surname Brown is shared by 1,636,337.

How rare is the name Rio Brown?

This name combination is classified as Rare, occurring at a rate of about 1 in 10,081,010 Americans. The first name Rio is rare and the surname Brown is very common.

Is Rio a male or female name?

Rio is predominantly male, with 69.5% of bearers being male and 30.5% female. It peaked in popularity in 2024 and the average bearer today is 14 years old.

Where does this data come from?

First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.

How Many of Me

howmanyofme.org

There are 34 people with the name

Rio Brown

in the United States

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