How Many People Are Named Kadie?
An estimated 2,537 people in the United States have the first name Kadie. It is almost exclusively a female name. The average bearer is 28 years old, and Kadie peaked in popularity in 1990 with 112 births that year.
Below you will find a full statistical profile of Kadie 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 Kadie paired with any surname.
Estimated Living Americans
2,537
About 1 in 135,102 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
28
years old
Peak Year
1990
112 births
Total Registered
2,617
since 1880
Gender Distribution for Kadie
Kadie is almost exclusively a female name. Out of 2,617 total births registered, 100.0% were female.
Kadie as a female name
Ranked #7,052 in 2024
16 female births in 2024
Peak: 1990 (112 births)
Kadie: Popularity Over Time
SSA records for Kadie span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 892 babies were registered. Kadie has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kadie by Decade
How has Kadie 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.
Kadie by State
Birth registrations for Kadie span all 22 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Wisconsin, Washington, Oklahoma. On average, about 34 Kadies were registered per state.
Kadie + Last Name Combinations
How many people share a full name with Kadie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kadie
Other first names starting with K with a similar number of bearers.
Kadie: Questions and Answers
How many people in the U.S. are named Kadie?
We estimate approximately 2,537 people named Kadie 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 135,102 Americans share this first name.
Is Kadie a common name?
Kadie is classified as "Rare" and is more popular than 94.6% of all first names in the SSA database. A total of 2,617 births have been registered with this name since 1880.
When was Kadie most popular?
Kadie reached peak popularity in 1990, when 112 babies were given this name. The average age of a living person named Kadie is approximately 28 years old, reflecting when the name was most commonly given.
Is Kadie a female name?
Kadie is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kadie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kadie Smith, Kadie Johnson, Kadie 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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