How Many People Are Named Demetrios?
An estimated 2,518 people in the United States have the first name Demetrios. It is almost exclusively a male name. The average bearer is 38 years old, and Demetrios peaked in popularity in 1974 with 77 births that year.
Below you will find a full statistical profile of Demetrios 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 Demetrios paired with any surname.
Estimated Living Americans
2,518
About 1 in 136,122 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
38
years old
Peak Year
1974
77 births
Total Registered
2,755
since 1880
Gender Distribution for Demetrios
Demetrios is almost exclusively a male name. Out of 2,755 total births registered, 100.0% were male.
Demetrios as a male name
Ranked #5,701 in 2024
16 male births in 2024
Peak: 1974 (77 births)
Demetrios: Popularity Over Time
SSA records for Demetrios span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1970s, when 621 babies were registered. Demetrios has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Demetrios by Decade
How has Demetrios 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.
Demetrios by State
Birth registrations for Demetrios span all 9 states and territories in the SSA database. The highest counts are in New York, Illinois, New Jersey. The lowest are in Maryland, Connecticut, Florida. On average, about 122 Demetrioss were registered per state.
Demetrios + Last Name Combinations
How many people share a full name with Demetrios as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demetrios
Other first names starting with D with a similar number of bearers.
Demetrios: Questions and Answers
How many people in the U.S. are named Demetrios?
We estimate approximately 2,518 people named Demetrios 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 136,122 Americans share this first name.
Is Demetrios a common name?
Demetrios is classified as "Rare" and is more popular than 94.6% of all first names in the SSA database. A total of 2,755 births have been registered with this name since 1880.
When was Demetrios most popular?
Demetrios reached peak popularity in 1974, when 77 babies were given this name. The average age of a living person named Demetrios is approximately 38 years old, reflecting when the name was most commonly given.
Is Demetrios a male name?
Demetrios is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Demetrios Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demetrios Smith, Demetrios Johnson, Demetrios 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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