How Many People Are Named Demetrio?
An estimated 2,404 people in the United States have the first name Demetrio. It is almost exclusively a male name. The average bearer is 38 years old, and Demetrio peaked in popularity in 1999 with 88 births that year.
Below you will find a full statistical profile of Demetrio 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 Demetrio paired with any surname.
Estimated Living Americans
2,404
About 1 in 142,577 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
38
years old
Peak Year
1999
88 births
Total Registered
3,047
since 1880
Gender Distribution for Demetrio
Demetrio is almost exclusively a male name. Out of 3,047 total births registered, 100.0% were male.
Demetrio as a male name
Ranked #4,209 in 2024
25 male births in 2024
Peak: 1999 (88 births)
Demetrio: Popularity Over Time
SSA records for Demetrio span from the 1900s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 2000s, when 486 babies were registered. Demetrio has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Demetrio by Decade
How has Demetrio 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.
Demetrio by State
Birth registrations for Demetrio span all 7 states and territories in the SSA database. The highest counts are in Texas, California, New Mexico. The lowest are in Arizona, Florida, New York. On average, about 219 Demetrios were registered per state.
Demetrio + Last Name Combinations
How many people share a full name with Demetrio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demetrio
Other first names starting with D with a similar number of bearers.
Demetrio: Questions and Answers
How many people in the U.S. are named Demetrio?
We estimate approximately 2,404 people named Demetrio 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 142,577 Americans share this first name.
Is Demetrio a common name?
Demetrio is classified as "Rare" and is more popular than 94.4% of all first names in the SSA database. A total of 3,047 births have been registered with this name since 1880.
When was Demetrio most popular?
Demetrio reached peak popularity in 1999, when 88 babies were given this name. The average age of a living person named Demetrio is approximately 38 years old, reflecting when the name was most commonly given.
Is Demetrio a male name?
Demetrio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Demetrio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demetrio Smith, Demetrio Johnson, Demetrio 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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