How Many People Are Named Demarrio?
An estimated 191 people in the United States have the first name Demarrio. It is almost exclusively a male name. The average bearer is 36 years old, and Demarrio peaked in popularity in 1984 with 16 births that year.
Below you will find a full statistical profile of Demarrio 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 Demarrio paired with any surname.
Estimated Living Americans
191
About 1 in 1,794,525 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
36
years old
Peak Year
1984
16 births
Total Registered
198
since 1880
Gender Distribution for Demarrio
Demarrio is almost exclusively a male name. Out of 198 total births registered, 100.0% were male.
Demarrio as a male name
Ranked #9,969 in 2021
7 male births in 2021
Peak: 1984 (16 births)
Demarrio: Popularity Over Time
SSA records for Demarrio span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1980s, when 97 babies were registered. Demarrio has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Demarrio by Decade
How has Demarrio 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.
Demarrio by State
Demarrio + Last Name Combinations
How many people share a full name with Demarrio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Demarrio
Other first names starting with D with a similar number of bearers.
Demarrio: Questions and Answers
How many people in the U.S. are named Demarrio?
We estimate approximately 191 people named Demarrio 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 1,794,525 Americans share this first name.
Is Demarrio a common name?
Demarrio is classified as "Very Rare" and is more popular than 73.6% of all first names in the SSA database. A total of 198 births have been registered with this name since 1880.
When was Demarrio most popular?
Demarrio reached peak popularity in 1984, when 16 babies were given this name. The average age of a living person named Demarrio is approximately 36 years old, reflecting when the name was most commonly given.
Is Demarrio a male name?
Demarrio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Demarrio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Demarrio Smith, Demarrio Johnson, Demarrio 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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