How Many People Are Named Demetrius?
An estimated 35,758 people in the United States have the first name Demetrius. It is predominantly male (95.4%). The average bearer is 35 years old, and Demetrius peaked in popularity in 1991 with 1,079 births that year.
Below you will find a full statistical profile of Demetrius 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 Demetrius paired with any surname.
Key Insights
- While Demetrius is overwhelmingly male, 1,727 female births have been registered with this name since 1880.
Estimated Living Americans
35,758
About 1 in 9,585 people in the U.S.
Rarity
Uncommon
Predicted Gender
Male
95.4% confidence
Average Age
35
years old
Peak Year
1991
1,079 births
Total Registered
37,626
since 1880
Gender Distribution for Demetrius
Demetrius is predominantly male (95.4%), though 1,727 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Demetrius as a male name
Ranked #1,038 in 2024
213 male births in 2024
Peak: 1991 (1,052 births)
Demetrius as a female name
Ranked #14,627 in 2004
6 female births in 2004
Peak: 1975 (82 births)
Demetrius: Popularity Over Time
SSA records for Demetrius span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1990s, when 8,552 babies were registered. Demetrius has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Demetrius by Decade
How has Demetrius 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.
Demetrius by State
Birth registrations for Demetrius span all 39 states and territories in the SSA database. The highest counts are in Illinois, Georgia, Florida. The lowest are in Utah, Alaska, Oregon. On average, about 869 Demetriuss were registered per state.
Demetrius + Last Name Combinations
How many people share a full name with Demetrius as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demetrius
Other first names starting with D with a similar number of bearers.
Demetrius: Questions and Answers
How many people in the U.S. are named Demetrius?
We estimate approximately 35,758 people named Demetrius 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 9,585 Americans share this first name.
Is Demetrius a common name?
Demetrius is classified as "Uncommon" and is more popular than 98.9% of all first names in the SSA database. A total of 37,626 births have been registered with this name since 1880.
When was Demetrius most popular?
Demetrius reached peak popularity in 1991, when 1,079 babies were given this name. The average age of a living person named Demetrius is approximately 35 years old, reflecting when the name was most commonly given.
Is Demetrius a male name?
Demetrius is predominantly male. 95.4% of people with this name are male. See the gender breakdown above for full details.
How many Demetrius Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demetrius Smith, Demetrius Johnson, Demetrius 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.
Search for a full name combination
How Many of Me