Dillon Boy
How popular is Dillon?
#929 boy name in 2025
253 baby boys were named Dillon in the US in 2025, making it the 929th most popular boy name. Another 41 girls got the name (#3,644 for girls).
Dillon popularity over time
Boys Girls
| Rank in 2025 | #929 for boys (▼ 67 from 2024) |
|---|---|
| Babies in 2025 | 253 boys, 41 girls |
| 10-year trend | Falling fast (-63% babies vs 2015) |
| Earlier ranks | #448 in 2015, #668 in 2020 |
| Peak year | 1992 (5,062 boys) |
| Highest rank | #73 in 1992 |
| First recorded | 1892 |
| Boys vs girls (last 10 years) | 89% boys, 11% girls |
| Chance a classmate shares it | 0.2% in a class of 25 kids born in 2025 |
Dillon counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Dylan family of names ranked #40 for boys in 2025 (#25 the year before), with 6,834 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Dylan | 6,208 | 91% |
| Dillon | 253 | 4% |
| Dilan | 309 | 5% |
| Dillan | 28 | 0% |
| Dyllan | 11 | 0% |
| Dylon | 11 | 0% |
| Dylen | 6 | 0% |
| Dylin | 8 | 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 Dillon is most popular
Babies named Dillon per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- Colorado: 0.4 per 1,000 (47 boys)
- West Virginia: 0.3 per 1,000 (11 boys)
- Maryland: 0.3 per 1,000 (38 boys)
- Massachusetts: 0.3 per 1,000 (40 boys)
- Missouri: 0.3 per 1,000 (37 boys)
Dillon by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1890s | 12 | #955 |
| 1910s | 127 | #1,289 |
| 1920s | 169 | #1,694 |
| 1930s | 123 | #1,783 |
| 1940s | 92 | #1,985 |
| 1950s | 76 | #2,152 |
| 1960s | 79 | #2,408 |
| 1970s | 483 | #875 |
| 1980s | 4,501 | #251 |
| 1990s | 32,661 | #73 |
| 2000s | 17,708 | #169 |
| 2010s | 7,170 | #304 |
| 2020s | 2,024 | #668 |
Boy names about as popular as Dillon
Questions
- Is Dillon a boy or girl name?
- Dillon is mostly a boy name. Over the last 10 years, 89% of babies named Dillon were boys.
- How popular is the name Dillon?
- 253 baby boys were named Dillon in the US in 2025, making it the 929th most popular boy name. Another 41 girls got the name (#3,644 for girls).
- When was Dillon most popular?
- Dillon peaked in 1992, when 5,062 boys were given the name. Its highest rank was #73 in 1992.
- How many people are named Dillon?
- 66,270 babies have been named Dillon in the US since 1880. We estimate about 64,183 of them are alive in 2026, with a median age of 28.
- Where is Dillon most popular?
- From 2021 to 2025, Dillon was most common in Colorado, at 0.4 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.