How Many People Are Named Demetrus?
An estimated 627 people in the United States have the first name Demetrus. It is predominantly male (96.7%). The average bearer is 40 years old, and Demetrus peaked in popularity in 1974 with 28 births that year.
Below you will find a full statistical profile of Demetrus 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 Demetrus paired with any surname.
Estimated Living Americans
627
About 1 in 546,658 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
96.7% confidence
Average Age
40
years old
Peak Year
1974
28 births
Total Registered
661
since 1880
Gender Distribution for Demetrus
Demetrus is predominantly male (96.7%), though 22 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Demetrus as a male name
Ranked #11,219 in 2024
6 male births in 2024
Peak: 1973 (26 births)
Demetrus as a female name
Ranked #9,979 in 1977
5 female births in 1977
Peak: 1974 (7 births)
Demetrus: Popularity Over Time
SSA records for Demetrus span from the 1960s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 1970s, when 207 babies were registered. Demetrus has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Demetrus by Decade
How has Demetrus 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.
Demetrus by State
Birth registrations for Demetrus span all 3 states and territories in the SSA database. The highest counts are in Missouri, Alabama, North Carolina. The lowest are in North Carolina, Alabama, Missouri. On average, about 5 Demetruss were registered per state.
Demetrus + Last Name Combinations
How many people share a full name with Demetrus as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demetrus
Other first names starting with D with a similar number of bearers.
Demetrus: Questions and Answers
How many people in the U.S. are named Demetrus?
We estimate approximately 627 people named Demetrus 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 546,658 Americans share this first name.
Is Demetrus a common name?
Demetrus is classified as "Very Rare" and is more popular than 86.6% of all first names in the SSA database. A total of 661 births have been registered with this name since 1880.
When was Demetrus most popular?
Demetrus reached peak popularity in 1974, when 28 babies were given this name. The average age of a living person named Demetrus is approximately 40 years old, reflecting when the name was most commonly given.
Is Demetrus a male name?
Demetrus is predominantly male. 96.7% of people with this name are male. See the gender breakdown above for full details.
How many Demetrus Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demetrus Smith, Demetrus Johnson, Demetrus 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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