How Many People Are Named Kelli?
An estimated 68,053 people in the United States have the first name Kelli. It is almost exclusively a female name. The average bearer is 47 years old, and Kelli peaked in popularity in 1970 with 3,344 births that year.
Below you will find a full statistical profile of Kelli 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 Kelli paired with any surname.
Key Insights
- While Kelli is overwhelmingly female, 301 male births have been registered with this name since 1880.
- Kelli has fallen dramatically from its peak in the 1970s. Recent registrations are less than 5% of what they were at the name's height.
Estimated Living Americans
68,053
About 1 in 5,037 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.6% confidence
Average Age
47
years old
Peak Year
1970
3,344 births
Total Registered
75,176
since 1880
Gender Distribution for Kelli
Kelli is almost exclusively a female name. Out of 75,176 total births registered, 99.6% were female.
Kelli as a male name
Ranked #10,498 in 1998
5 male births in 1998
Peak: 1981 (21 births)
Kelli as a female name
Ranked #7,392 in 2024
15 female births in 2024
Peak: 1970 (3,331 births)
Kelli: Popularity Over Time
SSA records for Kelli span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 1970s, when 21,639 babies were registered. Kelli has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Kelli by Decade
How has Kelli 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.
Kelli by State
Birth registrations for Kelli span all 51 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in Delaware, Vermont, Alaska. On average, about 1,429 Kellis were registered per state.
Kelli + Last Name Combinations
How many people share a full name with Kelli as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kelli
Other first names starting with K with a similar number of bearers.
Kelli: Questions and Answers
How many people in the U.S. are named Kelli?
We estimate approximately 68,053 people named Kelli 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 5,037 Americans share this first name.
Is Kelli a common name?
Kelli is classified as "Uncommon" and is more popular than 99.3% of all first names in the SSA database. A total of 75,176 births have been registered with this name since 1880.
When was Kelli most popular?
Kelli reached peak popularity in 1970, when 3,344 babies were given this name. The average age of a living person named Kelli is approximately 47 years old, reflecting when the name was most commonly given.
Is Kelli a female name?
Kelli is predominantly female. 99.6% of people with this name are female. See the gender breakdown above for full details.
How many Kelli Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kelli Smith, Kelli Johnson, Kelli 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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