How old is someone named Arlo?
The average Arlo is 9 years old.
Half of all living Arlos are between 3 and 9.
When was Arlo popular?
Most of the Arlos in the country were born in the last 15 years. The name peaked in 2024 and is still near the top.
Popular names of 2024 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 35 | 0 |
| 1910s | 477 | 0 |
| 1920s | 731 | 0 |
| 1930s | 700 | under 100 |
| 1940s | 422 | 170 |
| 1950s | 282 | 180 |
| 1960s | 134 | 110 |
| 1970s | 376 | 340 |
| 1980s | 254 | 240 |
| 1990s | 211 | 200 |
| 2000s | 700 | 690 |
| 2010s | 7,122 | 7,100 |
| 2020s | 13,686 | 14,000 |
How many Arlos are still alive?
About 23,000 Arlos are alive in the US today. That's 90% of the roughly 25,000 babies named Arlo since 1899.
Nearly every Arlo ever born is still alive, because almost all of them are young.
What generation is the name Arlo?
About nine in ten living Arlos are in Gen Alpha, born in 2013 or later.
Is Arlo an old name?
No. Arlo is one of the youngest names around: younger than 96 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Arlo will be 20 in 2056, so the name is aging slowly.
Is Arlo a boy or girl name?
Mostly boys: 96.2% of living Arlos are men.
Names the same age as Arlo
NAME TWIN
Arlo's name twin is Oakley. Of all 3,713 names on AgeByName, Oakley's age curve is the closest match to Arlo's: 94% alike.
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Questions about the name Arlo
How old is the average Arlo?
The average Arlo in the US is 9 years old. The median is 5, so half are older and half younger.
How many people are named Arlo?
About 23,000 Arlos are alive in the US today, out of roughly 25,000 babies given the name since 1899.
When was the name Arlo most popular?
In 2024, when about 2,600 baby boys were named Arlo.
Is Arlo a Gen Alpha name?
Yes. About 88% of living Arlos 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