How Many People Are Named Demorio?
An estimated 68 people in the United States have the first name Demorio. It is almost exclusively a male name. The average bearer is 42 years old, and Demorio peaked in popularity in 1980 with 9 births that year.
Below you will find a full statistical profile of Demorio as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, state-by-state birth registrations, and, when available, a 2020 Census snapshot showing who had the name at that point in time. You can also check how many people share the full name Demorio paired with any surname.
Key Insights
- Demorio is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
68
About 1 in 5,040,505 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
42
years old
Peak Year
1980
9 births
Total Registered
71
since 1880
Gender Distribution for Demorio
Demorio is almost exclusively a male name. Out of 71 total births registered, 100.0% were male.
Demorio as a male name
Ranked #7,399 in 1990
6 male births in 1990
Peak: 1980 (9 births)
Demorio: Popularity Over Time
SSA records for Demorio span from the 1970s to the 1990s, covering 3 decades of naming data. The most popular decade for this name was the 1980s, when 52 babies were registered. Demorio has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Demorio by Decade
How has Demorio 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.
Demorio + Last Name Combinations
How many people share a full name with Demorio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demorio
Other first names starting with D with a similar number of bearers.
Demorio: Questions and Answers
How many people in the U.S. are named Demorio?
We estimate approximately 68 people named Demorio 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 5,040,505 Americans share this first name.
Is Demorio a common name?
Demorio is classified as "Very Rare" and is more popular than 58.9% of all first names in the SSA database. A total of 71 births have been registered with this name since 1880.
When was Demorio most popular?
Demorio reached peak popularity in 1980, when 9 babies were given this name. The average age of a living person named Demorio is approximately 42 years old, reflecting when the name was most commonly given.
What does the SSA popularity chart show?
The popularity chart tracks birth registrations, not people currently alive. It shows how often Demorio was given to babies from 1880 through 2024, which is why it is the best tool on the page for seeing long-run naming trends.
Is Demorio a male name?
Demorio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
Why can Demorio have a lot of living bearers even if it is not trendy now?
Because a name can build up a large population over many decades. Demorio peaked in 1980, and the average living bearer is about 42 years old, so a name can still have millions of living bearers even after it stops feeling current for newborns.
How many Demorio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demorio Smith, Demorio Johnson, Demorio 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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