How old is someone named Colin?
The average Colin is 27 years old.
Half of all living Colins are between 17 and 36.
When was Colin popular?
Colin peaked in 2004 and has been given less and less ever since. Only 950 babies got the name in 2025.
Popular names of 2004 · The most popular names of the 2000s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 34 | 0 |
| 1910s | 267 | 0 |
| 1920s | 412 | 0 |
| 1930s | 491 | under 100 |
| 1940s | 1,919 | 830 |
| 1950s | 2,459 | 1,600 |
| 1960s | 4,184 | 3,400 |
| 1970s | 7,555 | 6,800 |
| 1980s | 17,822 | 17,000 |
| 1990s | 28,364 | 27,000 |
| 2000s | 39,198 | 39,000 |
| 2010s | 24,732 | 25,000 |
| 2020s | 6,638 | 6,600 |
How many Colins are still alive?
About 130,000 Colins are alive in the US today. That's 94% of the roughly 130,000 babies named Colin since 1880.
Nearly every Colin ever born is still alive, because almost all of them are young.
What generation is the name Colin?
About half of living Colins are in Gen Z, born between 1997 and 2012.
- Boomer 3%
- Gen X 8%
- Millennial 27%
- Gen Z 45%
- Gen Alpha 17%
Is Colin an old name?
Not really. Colin is younger than 54 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Colin will be 46 in 2056, so the name is getting older.
Is Colin a boy or girl name?
Almost entirely boys: 99.7% of living Colins are men.
Names the same age as Colin
NAME TWIN
Colin's name twin is Adriana. Of all 3,713 names on AgeByName, Adriana's age curve is the closest match to Colin's: 94% alike.
Other spellings: Collin (24)
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Questions about the name Colin
How old is the average Colin?
The average Colin in the US is 27 years old. The median is 24, so half are older and half younger.
How many people are named Colin?
About 130,000 Colins are alive in the US today, out of roughly 130,000 babies given the name since 1880.
When was the name Colin most popular?
In 2004, when about 5,100 baby boys were named Colin.
Is Colin a Gen Z name?
Partly. Gen Z are the largest group, about 45% of living Colins, but the name spans several generations.
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