Dia Girl
How popular is Dia?
#4,171 girl name in 2025
34 baby girls were named Dia in the US in 2025, making it the 4171st most popular girl name.
2,282living people named Dia (est.)
30median age of people named Dia
2,367babies named Dia since 1880
1 in 97,510US babies born in 2025
Dia popularity over time
Boys Girls
| Rank in 2025 | #4,171 for girls (▼ 58 from 2024) |
|---|---|
| Babies in 2025 | 34 girls |
| 10-year trend | Falling (-45% babies vs 2015) |
| Earlier ranks | #2,810 in 2015, #3,179 in 2020 |
| Peak year | 2015 (62 girls) |
| Highest rank | #1,812 in 1968 |
| First recorded | 1948 |
| Boys vs girls (last 10 years) | 2% boys, 98% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Where Dia is most popular
Babies named Dia per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
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- California: 0.0 per 1,000 (37 girls)
- New Jersey: 0.0 per 1,000 (5 girls)
- Texas: 0.0 per 1,000 (21 girls)
- New York: 0.0 per 1,000 (5 girls)
- Florida: 0.0 per 1,000 (5 girls)
Dia by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1940s | 5 | #5,241 |
| 1950s | 83 | #3,103 |
| 1960s | 247 | #1,812 |
| 1970s | 391 | #1,877 |
| 1980s | 277 | #2,391 |
| 1990s | 209 | #3,811 |
| 2000s | 284 | #3,799 |
| 2010s | 489 | #2,810 |
| 2020s | 265 | #3,047 |
Girl names about as popular as Dia
Questions
- Is Dia a boy or girl name?
- Dia is mostly a girl name. Over the last 10 years, 98% of babies named Dia were girls.
- How popular is the name Dia?
- 34 baby girls were named Dia in the US in 2025, making it the 4171st most popular girl name.
- When was Dia most popular?
- Dia peaked in 2015, when 62 girls were given the name. Its highest rank was #1,812 in 1968.
- How many people are named Dia?
- 2,367 babies have been named Dia in the US since 1880. We estimate about 2,282 of them are alive in 2026, with a median age of 30.
- Where is Dia most popular?
- From 2021 to 2025, Dia was most common in California, at 0.0 of every 1,000 girls 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.