How Many People Are Named Dillon?
An estimated 64,154 people in the United States have the first name Dillon. It is predominantly male (98.5%). The average bearer is 27 years old, and Dillon peaked in popularity in 1992 with 5,083 births that year.
Below you will find a full statistical profile of Dillon 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 Dillon paired with any surname.
Key Insights
- While Dillon is overwhelmingly male, 1,004 female births have been registered with this name since 1880.
Estimated Living Americans
64,154
About 1 in 5,343 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
98.5% confidence
Average Age
27
years old
Peak Year
1992
5,083 births
Total Registered
65,968
since 1880
Gender Distribution for Dillon
Dillon is predominantly male (98.5%), though 1,004 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Dillon as a male name
Ranked #868 in 2024
276 male births in 2024
Peak: 1992 (5,063 births)
Dillon as a female name
Ranked #3,228 in 2024
49 female births in 2024
Peak: 2020 (61 births)
Dillon: Popularity Over Time
SSA records for Dillon span from the 1890s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 1990s, when 32,840 babies were registered. Dillon has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Dillon by Decade
How has Dillon 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.
Dillon by State
Birth registrations for Dillon span all 51 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in District of Columbia, Delaware, Vermont. On average, about 1,234 Dillons were registered per state.
Dillon + Last Name Combinations
How many people share a full name with Dillon as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dillon
Other first names starting with D with a similar number of bearers.
Dillon: Questions and Answers
How many people in the U.S. are named Dillon?
We estimate approximately 64,154 people named Dillon 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 5,343 Americans share this first name.
Is Dillon a common name?
Dillon is classified as "Uncommon" and is more popular than 99.3% of all first names in the SSA database. A total of 65,968 births have been registered with this name since 1880.
When was Dillon most popular?
Dillon reached peak popularity in 1992, when 5,083 babies were given this name. The average age of a living person named Dillon is approximately 27 years old, reflecting when the name was most commonly given.
Is Dillon a male name?
Dillon is predominantly male. 98.5% of people with this name are male. See the gender breakdown above for full details.
How many Dillon Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dillon Smith, Dillon Johnson, Dillon 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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