How Many People Are Named Kiah?
An estimated 3,444 people in the United States have the first name Kiah. It is predominantly female (92.5%). The average bearer is 24 years old, and Kiah peaked in popularity in 2002 with 162 births that year.
Below you will find a full statistical profile of Kiah 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 Kiah paired with any surname.
Estimated Living Americans
3,444
About 1 in 99,522 people in the U.S.
Rarity
Rare
Predicted Gender
Female
92.5% confidence
Average Age
24
years old
Peak Year
2002
162 births
Total Registered
3,533
since 1880
Gender Distribution for Kiah
Kiah is predominantly female (92.5%), though 264 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Kiah as a male name
Ranked #13,299 in 2024
5 male births in 2024
Peak: 2001 (16 births)
Kiah as a female name
Ranked #2,939 in 2024
56 female births in 2024
Peak: 2002 (149 births)
Kiah: Popularity Over Time
SSA records for Kiah span from the 1910s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 1,132 babies were registered. Kiah has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kiah by Decade
How has Kiah 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.
Kiah by State
Birth registrations for Kiah span all 26 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in South Dakota, Maryland, Colorado. On average, about 40 Kiahs were registered per state.
Kiah + Last Name Combinations
How many people share a full name with Kiah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kiah
Other first names starting with K with a similar number of bearers.
Kiah: Questions and Answers
How many people in the U.S. are named Kiah?
We estimate approximately 3,444 people named Kiah 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 99,522 Americans share this first name.
Is Kiah a common name?
Kiah is classified as "Rare" and is more popular than 95.6% of all first names in the SSA database. A total of 3,533 births have been registered with this name since 1880.
When was Kiah most popular?
Kiah reached peak popularity in 2002, when 162 babies were given this name. The average age of a living person named Kiah is approximately 24 years old, reflecting when the name was most commonly given.
Is Kiah a female name?
Kiah is predominantly female. 92.5% of people with this name are female. See the gender breakdown above for full details.
How many Kiah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kiah Smith, Kiah Johnson, Kiah 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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