How Many People Are Named Ka?
An estimated 877 people in the United States have the first name Ka. It is used for both genders, with 85.2% female. The average bearer is 36 years old, and Ka peaked in popularity in 1990 with 75 births that year.
Below you will find a full statistical profile of Ka 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 Ka paired with any surname.
Estimated Living Americans
877
About 1 in 390,826 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
85.2% confidence
Average Age
36
years old
Peak Year
1990
75 births
Total Registered
917
since 1880
Gender Distribution for Ka
Ka is predominantly female (85.2%), though 136 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Ka as a male name
Ranked #8,698 in 2005
8 male births in 2005
Peak: 1989 (10 births)
Ka as a female name
Ranked #15,016 in 2004
6 female births in 2004
Peak: 1990 (65 births)
Ka: Popularity Over Time
SSA records for Ka span from the 1960s to the 2000s, covering 5 decades of naming data. The most popular decade for this name was the 1990s, when 426 babies were registered. Ka has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Ka by Decade
How has Ka 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.
Ka by State
Birth registrations for Ka span all 4 states and territories in the SSA database. The highest counts are in California, Minnesota, Wisconsin. The lowest are in New York, Wisconsin, Minnesota. On average, about 128 Kas were registered per state.
Ka + Last Name Combinations
How many people share a full name with Ka as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Ka
Other first names starting with K with a similar number of bearers.
Ka: Questions and Answers
How many people in the U.S. are named Ka?
We estimate approximately 877 people named Ka 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 390,826 Americans share this first name.
Is Ka a common name?
Ka is classified as "Very Rare" and is more popular than 89.2% of all first names in the SSA database. A total of 917 births have been registered with this name since 1880.
When was Ka most popular?
Ka reached peak popularity in 1990, when 75 babies were given this name. The average age of a living person named Ka is approximately 36 years old, reflecting when the name was most commonly given.
Is Ka a female name?
Ka is predominantly female. 85.2% of people with this name are female. See the gender breakdown above for full details.
How many Ka Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Ka Smith, Ka Johnson, Ka 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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