How old is someone named Dillan?
The average Dillan is 23 years old.
Half of all living Dillans are between 17 and 30.
When was Dillan popular?
Dillan had one big moment, peaking in 1992. 59% of the babies ever named Dillan arrived in a single 15-year stretch.
Popular names of 1992 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 10 | under 100 |
| 1980s | 153 | 150 |
| 1990s | 2,674 | 2,600 |
| 2000s | 2,859 | 2,800 |
| 2010s | 1,344 | 1,300 |
| 2020s | 347 | 350 |
How many Dillans are still alive?
About 7,200 Dillans are alive in the US today. That's 98% of the roughly 7,400 babies named Dillan since 1975.
Nearly every Dillan ever born is still alive, because almost all of them are young.
What generation is the name Dillan?
More than half of living Dillans are in Gen Z, born between 1997 and 2012.
- Millennial 25%
- Gen Z 59%
- Gen Alpha 15%
Is Dillan an old name?
Not really. Dillan is younger than 64 in 100 names on AgeByName.
Is Dillan a boy or girl name?
Mostly a boy's name: 95% of living Dillans are men, and 5% are women.
The women average 16 and the men 23.
Names the same age as Dillan
NAME TWIN
Dillan's name twin is Jazmine. Of all 3,713 names on AgeByName, Jazmine's age curve is the closest match to Dillan's: 92% alike.
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Questions about the name Dillan
How old is the average Dillan?
The average Dillan in the US is 23 years old. The median is 23, so half are older and half younger.
How many people are named Dillan?
About 7,200 Dillans are alive in the US today, out of roughly 7,400 babies given the name since 1975.
When was the name Dillan most popular?
In 1992, when about 340 baby boys were named Dillan.
Is Dillan a Gen Z name?
Yes. About 59% of living Dillans are in Gen Z, born between 1997 and 2012.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this