How Many People Are Named Dion?
An estimated 18,525 people in the United States have the first name Dion. It is predominantly male (93.8%). The average bearer is 39 years old, and Dion peaked in popularity in 1970 with 607 births that year.
Below you will find a full statistical profile of Dion 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 Dion paired with any surname.
Estimated Living Americans
18,525
About 1 in 18,502 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
93.8% confidence
Average Age
39
years old
Peak Year
1970
607 births
Total Registered
20,002
since 1880
Gender Distribution for Dion
Dion is predominantly male (93.8%), though 1,244 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Dion as a male name
Ranked #1,116 in 2024
191 male births in 2024
Peak: 1970 (554 births)
Dion as a female name
Ranked #9,056 in 2024
11 female births in 2024
Peak: 1970 (53 births)
Dion: Popularity Over Time
SSA records for Dion span from the 1920s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1970s, when 4,478 babies were registered. Dion has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Dion by Decade
How has Dion 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.
Dion by State
Birth registrations for Dion span all 43 states and territories in the SSA database. The highest counts are in California, Illinois, New York. The lowest are in Nevada, Idaho, Hawaii. On average, about 351 Dions were registered per state.
Dion + Last Name Combinations
How many people share a full name with Dion as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dion
Other first names starting with D with a similar number of bearers.
Dion: Questions and Answers
How many people in the U.S. are named Dion?
We estimate approximately 18,525 people named Dion 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 18,502 Americans share this first name.
Is Dion a common name?
Dion is classified as "Uncommon" and is more popular than 98.4% of all first names in the SSA database. A total of 20,002 births have been registered with this name since 1880.
When was Dion most popular?
Dion reached peak popularity in 1970, when 607 babies were given this name. The average age of a living person named Dion is approximately 39 years old, reflecting when the name was most commonly given.
Is Dion a male name?
Dion is predominantly male. 93.8% of people with this name are male. See the gender breakdown above for full details.
How many Dion Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dion Smith, Dion Johnson, Dion 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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