How Many People Are Named Koa?
An estimated 7,070 people in the United States have the first name Koa. It is used for both genders, with 90.0% male. The average bearer is 7 years old, and Koa peaked in popularity in 2024 with 1,281 births that year.
Below you will find a full statistical profile of Koa 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 Koa paired with any surname.
Key Insights
- Koa is a modern name. With an average bearer age of just 7, it has gained most of its popularity in recent years.
Estimated Living Americans
7,070
About 1 in 48,480 people in the U.S.
Rarity
Rare
Predicted Gender
Male
90.0% confidence
Average Age
7
years old
Peak Year
2024
1,281 births
Total Registered
7,124
since 1880
Gender Distribution for Koa
Koa is predominantly male (90.0%), though 714 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Koa as a male name
Ranked #292 in 2024
1,145 male births in 2024
Peak: 2024 (1,145 births)
Koa as a female name
Ranked #1,563 in 2024
136 female births in 2024
Peak: 2024 (136 births)
Koa: Popularity Over Time
SSA records for Koa span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 2020s, when 4,705 babies were registered. Koa remains highly popular today, with recent registration numbers near its historical peak.
Koa by Decade
How has Koa 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.
Koa by State
Birth registrations for Koa span all 43 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Alaska, South Dakota, Delaware. On average, about 135 Koas were registered per state.
Koa + Last Name Combinations
How many people share a full name with Koa as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Koa
Other first names starting with K with a similar number of bearers.
Koa: Questions and Answers
How many people in the U.S. are named Koa?
We estimate approximately 7,070 people named Koa 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 48,480 Americans share this first name.
Is Koa a common name?
Koa is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 7,124 births have been registered with this name since 1880.
When was Koa most popular?
Koa reached peak popularity in 2024, when 1,281 babies were given this name. The average age of a living person named Koa is approximately 7 years old, reflecting when the name was most commonly given.
Is Koa a male name?
Koa is predominantly male. 90.0% of people with this name are male. See the gender breakdown above for full details.
How many Koa Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Koa Smith, Koa Johnson, Koa 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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