How Many People Are Named Koni?
An estimated 229 people in the United States have the first name Koni. It is almost exclusively a female name. The average bearer is 61 years old, and Koni peaked in popularity in 1964 with 28 births that year.
Below you will find a full statistical profile of Koni 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 Koni paired with any surname.
Estimated Living Americans
229
About 1 in 1,496,744 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
61
years old
Peak Year
1964
28 births
Total Registered
282
since 1880
Gender Distribution for Koni
Koni is almost exclusively a female name. Out of 282 total births registered, 100.0% were female.
Koni as a female name
Ranked #11,836 in 1986
5 female births in 1986
Peak: 1964 (28 births)
Koni: Popularity Over Time
SSA records for Koni span from the 1950s to the 1980s, covering 4 decades of naming data. The most popular decade for this name was the 1960s, when 170 babies were registered. Koni has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Koni by Decade
How has Koni 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.
Koni by State
Koni + Last Name Combinations
How many people share a full name with Koni as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Koni
Other first names starting with K with a similar number of bearers.
Koni: Questions and Answers
How many people in the U.S. are named Koni?
We estimate approximately 229 people named Koni 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 1,496,744 Americans share this first name.
Is Koni a common name?
Koni is classified as "Very Rare" and is more popular than 75.9% of all first names in the SSA database. A total of 282 births have been registered with this name since 1880.
When was Koni most popular?
Koni reached peak popularity in 1964, when 28 babies were given this name. The average age of a living person named Koni is approximately 61 years old, reflecting when the name was most commonly given.
Is Koni a female name?
Koni is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Koni Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Koni Smith, Koni Johnson, Koni 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.
Search for a full name combination
How Many of Me