How Many People Are Named Kasia?
An estimated 1,648 people in the United States have the first name Kasia. It is almost exclusively a female name. The average bearer is 26 years old, and Kasia peaked in popularity in 2002 with 71 births that year.
Below you will find a full statistical profile of Kasia 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 Kasia paired with any surname.
Estimated Living Americans
1,648
About 1 in 207,982 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
26
years old
Peak Year
2002
71 births
Total Registered
1,702
since 1880
Gender Distribution for Kasia
Kasia is almost exclusively a female name. Out of 1,702 total births registered, 100.0% were female.
Kasia as a female name
Ranked #5,687 in 2024
22 female births in 2024
Peak: 2002 (71 births)
Kasia: Popularity Over Time
SSA records for Kasia span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 551 babies were registered. Kasia has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kasia by Decade
How has Kasia 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.
Kasia by State
Birth registrations for Kasia span all 11 states and territories in the SSA database. The highest counts are in California, Texas, New York. The lowest are in Wisconsin, Pennsylvania, Georgia. On average, about 17 Kasias were registered per state.
Kasia + Last Name Combinations
How many people share a full name with Kasia as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kasia
Other first names starting with K with a similar number of bearers.
Kasia: Questions and Answers
How many people in the U.S. are named Kasia?
We estimate approximately 1,648 people named Kasia 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 207,982 Americans share this first name.
Is Kasia a common name?
Kasia is classified as "Rare" and is more popular than 92.9% of all first names in the SSA database. A total of 1,702 births have been registered with this name since 1880.
When was Kasia most popular?
Kasia reached peak popularity in 2002, when 71 babies were given this name. The average age of a living person named Kasia is approximately 26 years old, reflecting when the name was most commonly given.
Is Kasia a female name?
Kasia is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kasia Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kasia Smith, Kasia Johnson, Kasia 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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