How Many People Are Named Dillion?
An estimated 3,570 people in the United States have the first name Dillion. It is almost exclusively a male name. The average bearer is 27 years old, and Dillion peaked in popularity in 1992 with 354 births that year.
Below you will find a full statistical profile of Dillion 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 Dillion paired with any surname.
Estimated Living Americans
3,570
About 1 in 96,010 people in the U.S.
Rarity
Rare
Predicted Gender
Male
99.8% confidence
Average Age
27
years old
Peak Year
1992
354 births
Total Registered
3,644
since 1880
Gender Distribution for Dillion
Dillion is almost exclusively a male name. Out of 3,644 total births registered, 99.8% were male.
Dillion as a male name
Ranked #5,485 in 2024
17 male births in 2024
Peak: 1992 (354 births)
Dillion as a female name
Ranked #13,877 in 2023
6 female births in 2023
Peak: 2023 (6 births)
Dillion: Popularity Over Time
SSA records for Dillion span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 2,001 babies were registered. Dillion has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Dillion by Decade
How has Dillion 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.
Dillion by State
Birth registrations for Dillion span all 29 states and territories in the SSA database. The highest counts are in Texas, California, Ohio. The lowest are in Mississippi, Kansas, Colorado. On average, about 70 Dillions were registered per state.
Dillion + Last Name Combinations
How many people share a full name with Dillion as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dillion
Other first names starting with D with a similar number of bearers.
Dillion: Questions and Answers
How many people in the U.S. are named Dillion?
We estimate approximately 3,570 people named Dillion 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 96,010 Americans share this first name.
Is Dillion a common name?
Dillion is classified as "Rare" and is more popular than 95.7% of all first names in the SSA database. A total of 3,644 births have been registered with this name since 1880.
When was Dillion most popular?
Dillion reached peak popularity in 1992, when 354 babies were given this name. The average age of a living person named Dillion is approximately 27 years old, reflecting when the name was most commonly given.
Is Dillion a male name?
Dillion is predominantly male. 99.8% of people with this name are male. See the gender breakdown above for full details.
How many Dillion Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dillion Smith, Dillion Johnson, Dillion 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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