How Many People Are Named Kortni?
An estimated 1,147 people in the United States have the first name Kortni. It is almost exclusively a female name. The average bearer is 31 years old, and Kortni peaked in popularity in 1990 with 70 births that year.
Below you will find a full statistical profile of Kortni 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 Kortni paired with any surname.
Estimated Living Americans
1,147
About 1 in 298,827 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
31
years old
Peak Year
1990
70 births
Total Registered
1,189
since 1880
Gender Distribution for Kortni
Kortni is almost exclusively a female name. Out of 1,189 total births registered, 100.0% were female.
Kortni as a female name
Ranked #10,217 in 2018
10 female births in 2018
Peak: 1990 (70 births)
Kortni: Popularity Over Time
SSA records for Kortni span from the 1970s to the 2010s, covering 5 decades of naming data. The most popular decade for this name was the 1990s, when 516 babies were registered. Kortni has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kortni by Decade
How has Kortni 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.
Kortni by State
Birth registrations for Kortni span all 7 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Maryland, Alabama, Utah. On average, about 18 Kortnis were registered per state.
Kortni + Last Name Combinations
How many people share a full name with Kortni as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kortni
Other first names starting with K with a similar number of bearers.
Kortni: Questions and Answers
How many people in the U.S. are named Kortni?
We estimate approximately 1,147 people named Kortni 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 298,827 Americans share this first name.
Is Kortni a common name?
Kortni is classified as "Rare" and is more popular than 91% of all first names in the SSA database. A total of 1,189 births have been registered with this name since 1880.
When was Kortni most popular?
Kortni reached peak popularity in 1990, when 70 babies were given this name. The average age of a living person named Kortni is approximately 31 years old, reflecting when the name was most commonly given.
Is Kortni a female name?
Kortni is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kortni Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kortni Smith, Kortni Johnson, Kortni 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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