Demetrios Boy
How popular is Demetrios?
#5,606 boy name in 2025
16 baby boys were named Demetrios in the US in 2025, making it the 5606th most popular boy name.
2,498living people named Demetrios (est.)
39median age of people named Demetrios
2,770babies named Demetrios since 1880
1 in 207,209US babies born in 2025
Demetrios popularity over time
| Rank in 2025 | #5,606 for boys (▲ 49 from 2024) |
|---|---|
| Babies in 2025 | 16 boys |
| 10-year trend | Falling fast (-50% babies vs 2015) |
| Earlier ranks | #3,430 in 2015, #5,447 in 2020 |
| Peak year | 1974 (77 boys) |
| Highest rank | #920 in 1969 |
| First recorded | 1918 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Demetrios counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Demetrius family of names ranked #1,047 for boys in 2025 (#914 the year before), with 180 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Demetrius | 164 | 91% |
| Demetrios | 16 | 9% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Demetrios by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1910s | 10 | #4,167 |
| 1920s | 33 | #3,074 |
| 1930s | 35 | #2,849 |
| 1940s | 33 | #2,605 |
| 1950s | 93 | #1,758 |
| 1960s | 349 | #920 |
| 1970s | 620 | #923 |
| 1980s | 410 | #1,154 |
| 1990s | 390 | #1,542 |
| 2000s | 431 | #1,939 |
| 2010s | 272 | #2,797 |
| 2020s | 94 | #5,105 |
Boy names about as popular as Demetrios
Questions
- Is Demetrios a boy or girl name?
- Demetrios is mostly a boy name. Over the last 10 years, 100% of babies named Demetrios were boys.
- How popular is the name Demetrios?
- 16 baby boys were named Demetrios in the US in 2025, making it the 5606th most popular boy name.
- When was Demetrios most popular?
- Demetrios peaked in 1974, when 77 boys were given the name. Its highest rank was #920 in 1969.
- How many people are named Demetrios?
- 2,770 babies have been named Demetrios in the US since 1880. We estimate about 2,498 of them are alive in 2026, with a median age of 39.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.