How Many People Are Named Koah?
An estimated 1,119 people in the United States have the first name Koah. It is predominantly male (90.4%). The average bearer is 6 years old, and Koah peaked in popularity in 2024 with 238 births that year.
Below you will find a full statistical profile of Koah as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Koah paired with any surname.
Key Insights
- Koah is a modern name. With an average bearer age of just 6, it has gained most of its popularity in recent years.
Estimated Living Americans
1,119
About 1 in 306,304 people in the U.S.
Rarity
Rare
Predicted Gender
Male
90.4% confidence
Average Age
6
years old
Peak Year
2024
238 births
Total Registered
1,127
since 1880
Gender Distribution for Koah
Koah is predominantly male (90.4%), though 108 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Koah as a male name
Ranked #1,081 in 2024
201 male births in 2024
Peak: 2024 (201 births)
Koah as a female name
Ranked #3,995 in 2024
37 female births in 2024
Peak: 2024 (37 births)
Koah: Popularity Over Time
SSA records for Koah span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2020s, when 782 babies were registered. Koah remains highly popular today, with recent registration numbers near its historical peak.
Koah by Decade
How has Koah 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.
Koah by State
Birth registrations for Koah span all 21 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Wisconsin, South Carolina, Montana. On average, about 22 Koahs were registered per state.
Koah + Last Name Combinations
How many people share a full name with Koah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Koah
Other first names starting with K with a similar number of bearers.
Koah: Questions and Answers
How many people in the U.S. are named Koah?
We estimate approximately 1,119 people named Koah 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 306,304 Americans share this first name.
Is Koah a common name?
Koah is classified as "Rare" and is more popular than 90.8% of all first names in the SSA database. A total of 1,127 births have been registered with this name since 1880.
When was Koah most popular?
Koah reached peak popularity in 2024, when 238 babies were given this name. The average age of a living person named Koah is approximately 6 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Koah was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Koah a male name?
Koah is predominantly male. 90.4% of people with this name are male. See the gender breakdown above for full details.
Why can Koah have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Koah peaked in 2024, and the average living bearer is about 6 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Koah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Koah Smith, Koah Johnson, Koah 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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