How Many People Are Named Zoi?
An estimated 855 people in the United States have the first name Zoi. It is almost exclusively a female name. The average bearer is 17 years old, and Zoi peaked in popularity in 2010 with 44 births that year.
Below you will find a full statistical profile of Zoi 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 Zoi paired with any surname.
Estimated Living Americans
855
About 1 in 400,882 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2010
44 births
Total Registered
867
since 1880
Gender Distribution for Zoi
Zoi is almost exclusively a female name. Out of 867 total births registered, 100.0% were female.
Zoi as a female name
Ranked #5,282 in 2024
25 female births in 2024
Peak: 2010 (44 births)
Zoi: Popularity Over Time
SSA records for Zoi span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2010s, when 339 babies were registered. While Zoi is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Zoi by Decade
How has Zoi 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.
Zoi by State
Birth registrations for Zoi span all 6 states and territories in the SSA database. The highest counts are in Texas, Florida, Illinois. The lowest are in New York, North Carolina, Missouri. On average, about 10 Zois were registered per state.
Zoi + Last Name Combinations
How many people share a full name with Zoi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Zoi
Other first names starting with Z with a similar number of bearers.
Zoi: Questions and Answers
How many people in the U.S. are named Zoi?
We estimate approximately 855 people named Zoi 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 400,882 Americans share this first name.
Is Zoi a common name?
Zoi is classified as "Very Rare" and is more popular than 89.1% of all first names in the SSA database. A total of 867 births have been registered with this name since 1880.
When was Zoi most popular?
Zoi reached peak popularity in 2010, when 44 babies were given this name. The average age of a living person named Zoi is approximately 17 years old, reflecting when the name was most commonly given.
Is Zoi a female name?
Zoi is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Zoi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Zoi Smith, Zoi Johnson, Zoi 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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