Surname Rarity Checker / How rare is Castillo
How Rare Is the Last Name Castillo?
Castillo is the 93rd most common surname in the United States. About 230,420 Americans carry it, which works out to roughly 1 in 1,153 people, or 0.0867% of the population. That is a common surname, though far from the top of the list. Here is the full picture from the Census surname file, plus a card you can save and share.
- Rarity
- 1 in 1,153
- Tier
- Common
- U.S. rank
- 93rd
- Share of people
- 0.0867%
- People named
- 230,420
- Source
- Census 2010
Based on the U.S. Census Bureau 2010 surname file, which counts 265,667,228 people across 162,253 surnames held by 100 or more people.
Where the surname Castillo comes from
Castillo means 'castle' in Spanish, a place name for someone who lived near or worked at a fortified building. Spain has so many castles that the region of Castile is named for them.
Want to check a different last name? Try the surname rarity checker. Last names are only half the picture: the first-name rarity checker runs the same math on given names, and how common is my name combines the two.
Frequently asked questions
- How rare is the last name Castillo?
- Castillo is in the Common tier. About 1 in 1,153 Americans share it, which is 0.0867% of the population, and it ranks 93rd of all U.S. surnames. In total 230,420 people carried it in the 2010 Census.
- Is Castillo a rare last name?
- No. Castillo is a well-established surname rather than a rare one. It is in the Common tier, ranked 93rd of all U.S. surnames, with about 1 in 1,153 Americans sharing it.
- How common is the surname Castillo?
- About 1 in 1,153 Americans carry the surname Castillo, which is 0.0867% of the population and 93rd of all U.S. surnames. That places it in the Common tier.
- How many people have the last name Castillo?
- 230,420 people in the United States, according to the Census Bureau's 2010 surname file, which counted 265,667,228 people across 162,253 surnames.
- Where does the surname Castillo come from?
- Castillo means 'castle' in Spanish, a place name for someone who lived near or worked at a fortified building. Spain has so many castles that the region of Castile is named for them.