How Many People Are Named Koli?
An estimated 21 people in the United States have the first name Koli. It is used for both genders, with 61.9% male. The average bearer is 16 years old, and Koli peaked in popularity in 2010 with 21 births that year.
Below you will find a full statistical profile of Koli 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 Koli paired with any surname.
Key Insights
- Koli is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
21
About 1 in 16,321,635 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
61.9% confidence
Average Age
16
years old
Peak Year
2010
21 births
Total Registered
21
since 1880
Gender Distribution for Koli
Koli is a genuinely unisex name, used for both males (61.9%) and females (38.1%). Out of 21 total births registered, 13 were male and 8 were female.
Koli as a male name
Ranked #6,567 in 2010
13 male births in 2010
Peak: 2010 (13 births)
Koli as a female name
Ranked #12,918 in 2010
8 female births in 2010
Peak: 2010 (8 births)
Koli: Popularity Over Time
Koli by Decade
How has Koli 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.
| Decade | Total | Male | Female | |
|---|---|---|---|---|
| 2010s | 21 | 13 | 8 | |
Koli + Last Name Combinations
How many people share a full name with Koli as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Koli
Other first names starting with K with a similar number of bearers.
Koli: Questions and Answers
How many people in the U.S. are named Koli?
We estimate approximately 21 people named Koli 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 16,321,635 Americans share this first name.
Is Koli a common name?
Koli is classified as "Very Rare" and is more popular than 40.8% of all first names in the SSA database. A total of 21 births have been registered with this name since 1880.
When was Koli most popular?
Koli reached peak popularity in 2010, when 21 babies were given this name. The average age of a living person named Koli is approximately 16 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 Koli 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 Koli a male name?
Koli is predominantly male. 61.9% of people with this name are male. See the gender breakdown above for full details.
Why can Koli 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. Koli peaked in 2010, and the average living bearer is about 16 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Koli Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Koli Smith, Koli Johnson, Koli 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