Rank among US baby names by birth year, 2009–2025. Lower is more popular; the scale is logarithmic so the top of the chart is not compressed.
Castiel was used most in 2019, when 337 babies were given the name. 2009 is the earliest year with at least five recorded births. It reaches the top 1,000 in 12 years of the record.
As of 2025 the name sits at #1,008, with 224 births that year. Over ten years the count has fallen 20%. It slipped 191 places against the previous year.
Recorded US births by year. The peak is labelled; the axis starts at zero.
How many people are named Castiel?
Roughly 3,900 Castiels are alive in the US right now. SSA has recorded 3,924 births under the name since 1880.
This is a survival-weighted estimate, not a headcount: every recorded birth year is
multiplied by the chance someone born that year is still alive, using the SSA period life table.
How the estimate works.
How old is the average Castiel?
The typical living Castiel is 6 years old. More of them were born in the 2010s than in any other decade. By the site’s era rules that makes Castiel a current name.
Your Castiel
Estimated living bearers by age today. Each bar is a birth year, weighted by the chance someone born then is still alive.
Where Castiel is most common
Relative to births, New Mexico carries 2.4× the national share of Castiels. Arizona, Nevada and Washington follow.
Same as national3× or more
Location quotient, 2016–2025. Shaded states use the name more than the country does, relative to their own births. Exact figures are in the table below.
States where Castiel is over-represented, 2016–2025.
The location quotient compares the state's share of the name with the national share.