How Many People Are Named Kaidin?
An estimated 425 people in the United States have the first name Kaidin. It is predominantly male (97.4%). The average bearer is 17 years old, and Kaidin peaked in popularity in 2008 with 34 births that year.
Below you will find a full statistical profile of Kaidin 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 Kaidin paired with any surname.
Estimated Living Americans
425
About 1 in 806,481 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
97.4% confidence
Average Age
17
years old
Peak Year
2008
34 births
Total Registered
429
since 1880
Gender Distribution for Kaidin
Kaidin is predominantly male (97.4%), though 11 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Kaidin as a male name
Ranked #11,586 in 2024
6 male births in 2024
Peak: 2008 (34 births)
Kaidin as a female name
Ranked #18,349 in 2010
5 female births in 2010
Peak: 2005 (6 births)
Kaidin: Popularity Over Time
SSA records for Kaidin span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2000s, when 232 babies were registered. Kaidin has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Kaidin by Decade
How has Kaidin 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.
Kaidin + Last Name Combinations
How many people share a full name with Kaidin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kaidin
Other first names starting with K with a similar number of bearers.
Kaidin: Questions and Answers
How many people in the U.S. are named Kaidin?
We estimate approximately 425 people named Kaidin 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 806,481 Americans share this first name.
Is Kaidin a common name?
Kaidin is classified as "Very Rare" and is more popular than 82.9% of all first names in the SSA database. A total of 429 births have been registered with this name since 1880.
When was Kaidin most popular?
Kaidin reached peak popularity in 2008, when 34 babies were given this name. The average age of a living person named Kaidin is approximately 17 years old, reflecting when the name was most commonly given.
Is Kaidin a male name?
Kaidin is predominantly male. 97.4% of people with this name are male. See the gender breakdown above for full details.
How many Kaidin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kaidin Smith, Kaidin Johnson, Kaidin 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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