How Many People Are Named Mio?
An estimated 433 people in the United States have the first name Mio. It is used for both genders, with 76.2% female. The average bearer is 13 years old, and Mio peaked in popularity in 2020 with 27 births that year.
Below you will find a full statistical profile of Mio as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Mio paired with any surname.
Estimated Living Americans
433
About 1 in 791,580 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
76.2% confidence
Average Age
13
years old
Peak Year
2020
27 births
Total Registered
437
since 1880
Gender Distribution for Mio
Mio is a genuinely unisex name, used for both males (23.8%) and females (76.2%). Out of 437 total births registered, 104 were male and 333 were female.
Mio as a male name
Ranked #10,422 in 2023
7 male births in 2023
Peak: 2022 (14 births)
Mio as a female name
Ranked #6,823 in 2024
17 female births in 2024
Peak: 2020 (21 births)
Mio: Popularity Over Time
SSA records for Mio span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 198 babies were registered. While Mio is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Mio by Decade
How has Mio tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Mio by State
Mio + Last Name Combinations
How many people share a full name with Mio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mio
Other first names starting with M with a similar number of bearers.
Mio: Questions and Answers
How many people in the U.S. are named Mio?
We estimate approximately 433 people named Mio are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 791,580 Americans share this first name.
Is Mio a common name?
Mio is classified as "Very Rare" and is more popular than 83.1% of all first names in the SSA database. A total of 437 births have been registered with this name since 1880.
When was Mio most popular?
Mio reached peak popularity in 2020, when 27 babies were given this name. The average age of a living person named Mio is approximately 13 years old, reflecting when the name was most commonly given.
Is Mio a female name?
Mio is predominantly female. 76.2% of people with this name are female. See the gender breakdown above for full details.
How many Mio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mio Smith, Mio Johnson, Mio Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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