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How Many People Are Named Dillan?

Estimated people named Dillan living in the U.S. today

7,195

Rarity score55/100
Very commonVery rare
Very RareRarity score 55/1001 in 47,505 peopleRank #2,933 of 104,819Trend: Declining

Check a full name with Dillan →

Gender distribution

95% male · 5% female in SSA records.

Name scorecard

  • Total U.S. births recorded (1880–2024): 7,350
  • Peak year: 1992 (341 births)
  • Estimated living today: 7,195

Dillan by age group — who carries the name today?

Kids (born 2022+)
178
Young Adults (2002–2021)
3,746
Adults (1982–2001)
3,257
Middle-Aged (1962–1981)
14
Seniors (1942–1961)
0
Elderly (before 1942)
0

Dillan popularity over time (1880–2024)

18802024

Estimated living bearers by birth decade

1970s
9
1980s
147
1990s
2,597
2000s
2,806
2010s
1,329
2020s
308

About the name Dillan

Dillan has been recorded by the Social Security Administration since the 19th century dataset began. In total, 7,350 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 7,195 bearers are still living — roughly 1 in 47,505 Americans. The name's strongest decade shapes how old most Dillans you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).

Frequently asked questions

How many people are named Dillan in the US?

An estimated 7,195 people named Dillan are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Dillan very rare — about 1 in 47,505 Americans.

Is Dillan a boy or girl name?

In SSA records, Dillan is 95% male and 5% female, so it is predominantly a male name.

When was Dillan most popular?

Dillan peaked in 1992, when 341 babies were given the name. Its current trend is declining compared with the previous decade.

How rare is the name Dillan?

Dillan ranks #2,933 of 104,819 first names recorded by the SSA, with a rarity score of 55 out of 100 (higher means rarer).