How old is someone named Colter?
The average Colter is 11 years old.
Half of all living Colters are between 2 and 17.
When was Colter popular?
Most of the Colters in the country were born in the last 15 years. The name peaked in 2025 and is still near the top.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1970s | 96 | under 100 |
| 1980s | 581 | 550 |
| 1990s | 965 | 930 |
| 2000s | 1,123 | 1,100 |
| 2010s | 1,523 | 1,500 |
| 2020s | 6,417 | 6,400 |
How many Colters are still alive?
About 11,000 Colters are alive in the US today. That's 99% of the roughly 11,000 babies named Colter since 1971.
Nearly every Colter ever born is still alive, because almost all of them are young.
What generation is the name Colter?
About two in three living Colters are in Gen Alpha, born in 2013 or later.
- Gen X 1%
- Millennial 11%
- Gen Z 17%
- Gen Alpha 71%
Is Colter an old name?
No. Colter is one of the youngest names around: younger than 93 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Colter will be 20 in 2056, so the name is aging slowly.
Is Colter a boy or girl name?
Almost entirely boys: over 99.9% of living Colters are men.
Names the same age as Colter
NAME TWIN
Colter's name twin is Lainey. Of all 3,713 names on AgeByName, Lainey's age curve is the closest match to Colter's: 85% alike.
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Questions about the name Colter
How old is the average Colter?
The average Colter in the US is 11 years old. The median is 4, so half are older and half younger.
How many people are named Colter?
About 11,000 Colters are alive in the US today, out of roughly 11,000 babies given the name since 1971.
When was the name Colter most popular?
In 2025, when about 2,400 baby boys were named Colter.
Is Colter a Gen Alpha name?
Yes. About 71% of living Colters are in Gen Alpha, born in 2013 or later.
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