How Many People Are Named Kailen?
people named Kailen are alive in the United States today (estimate)
About 1 in 207,016 people in the US has this name
Based on 1,673 babies named Kailen in Social Security records from 1983 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
71 births
Trend
Stable (last 10 years)
⚧ Gender Distribution
Of the babies given the name Kailen, 43.6% were girls and 56.5% were boys. The share of girls among babies named Kailen fell from 60.4% in the 1990s to 12.7% in the 2020s.
👥 Age Distribution
The average person named Kailen alive today is about 18 years old, and 88% are under 30. Half of them were between 10 and 25 in 2025.
📈 Popularity Over Time
Kailen first appears in the records in 1983 and was given most often in 2008, to 71 babies. In 2025, 23 babies got the name.
Babies given the name each year, 1983 to 2025
🏆 Rank History
Kailen has never been one of the 100 most popular boys' names. Its best rank was #2,864, in 2014. In 2025 it ranked #4,464. Among girls, its best rank was #3,465, in 1999.
| Boys | Girls | |
|---|---|---|
| Rank in 2025 | #4,464 | Not ranked |
| Best rank | #2,864 (2014) | #3,465 (1999) |
| Years in the top 100 | None | None |
| Rank in its biggest decade | #3,649 in the 2010s | #4,681 in the 2000s |
📍 State-Wise Distribution
People named Kailen alive today, by the state where they were born (estimate; state records start in 1910).
More people named Kailen were born in California than in any other state: about 67 of those alive today. Compared with the national rate in the same years, Kailen was given about 3.5 times as often in California.
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