Arlo Boy
How popular is Arlo?
#148 boy name in 2025
2,443 baby boys were named Arlo in the US in 2025, making it the 148th most popular boy name. Another 71 girls got the name (#2,485 for girls).
Arlo popularity over time
Boys Girls
| Rank in 2025 | #148 for boys (▼ 2 from 2024) |
|---|---|
| Babies in 2025 | 2,443 boys, 71 girls |
| 10-year trend | Rising fast (+322% babies vs 2015) |
| Earlier ranks | #501 in 2015, #220 in 2020 |
| Peak year | 2024 (2,490 boys) |
| Highest rank | #146 in 2024 |
| First recorded | 1899 |
| Boys vs girls (last 10 years) | 96% boys, 4% girls |
| Chance a classmate shares it | 2% in a class of 25 kids born in 2025 |
Arlo counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Arlo family of names ranked #165 for boys in 2025 (#159 the year before), with 2,448 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Arlo | 2,443 | 100% |
| Arloh | 5 | 0% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Arlo is most popular
Babies named Arlo per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Vermont: 8.1 per 1,000 (51 boys)
- Maine: 4.2 per 1,000 (81 boys)
- Alaska: 3.9 per 1,000 (46 boys)
- Montana: 3.9 per 1,000 (68 boys)
- North Dakota: 3.7 per 1,000 (64 boys)
Arlo by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1890s | 5 | #1,050 |
| 1900s | 35 | #901 |
| 1910s | 477 | #667 |
| 1920s | 726 | #675 |
| 1930s | 688 | #694 |
| 1940s | 422 | #751 |
| 1950s | 282 | #1,194 |
| 1960s | 134 | #1,712 |
| 1970s | 376 | #1,157 |
| 1980s | 254 | #1,655 |
| 1990s | 211 | #2,427 |
| 2000s | 695 | #1,156 |
| 2010s | 6,789 | #271 |
| 2020s | 13,151 | #146 |
Boy names about as popular as Arlo
Questions
- Is Arlo a boy or girl name?
- Arlo is mostly a boy name. Over the last 10 years, 96% of babies named Arlo were boys.
- How popular is the name Arlo?
- 2,443 baby boys were named Arlo in the US in 2025, making it the 148th most popular boy name. Another 71 girls got the name (#2,485 for girls).
- When was Arlo most popular?
- Arlo peaked in 2024, when 2,490 boys were given the name. Its highest rank was #146 in 2024.
- How many people are named Arlo?
- 25,135 babies have been named Arlo in the US since 1880. We estimate about 22,833 of them are alive in 2026, with a median age of 5.
- Where is Arlo most popular?
- From 2021 to 2025, Arlo was most common in Vermont, at 8.1 of every 1,000 boys born there.
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.