Castro — Last Name Origin & Meaning

Spanish origin Rank #138 in the US 184,134 Americans

US Rank (2010)
#138
▲ Up 56 since 2000
People in the US
184,134
62.42 per 100K people
Origin
Spanish
Spanish

Origin & Meaning of the Castro Surname

What does the last name Castro mean?

The surname Castro carries the meaning "Family name of Hispanic/Latino origin." It is derived from the Spanish language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 184,134 bearers in the 2010 US Census, Castro ranks as the #138 most common surname in the United States.

Where does the surname Castro come from?

The Castro surname has its roots in Spanish heritage. Names of Spanish origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Castro name far beyond its original homeland.

Language of Origin

The linguistic roots of Castro trace back to Spanish. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

Spanish Spanish

Quick Facts

Surname Castro
Meaning Family name of Hispanic/Latino origin
Origin Spanish
Language Spanish
US Rank (2010) #138
US Count (2010) 184,134
Per 100K People 62.42
First Letter C

Ethnic Distribution of Castro

According to the US Census, the Castro surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 184,134 Americans with the Castro last name.

White 7.29%
Black 0.66%
Hispanic 87.42%
Asian/PI 3.74%
Native American 0.24%
Two+ Races 0.64%
Ethnic distribution of the Castro surname in the US (2010 Census)
Ethnicity Percentage
White7.29%
Black0.66%
Hispanic87.42%
Asian/Pacific Islander3.74%
Native American0.24%
Two or More Races0.64%

Popularity of Castro Over Time

Comparing US Census data from 2000 and 2010 shows how the Castro surname has changed in prevalence.

Census 2000
#194
133,254 people
Up 56
Census 2010
#138
184,134 people

The number of Americans with the Castro surname increased by 50,880 between 2000 and 2010.

Discover Your Castro Ancestry

Uncover your family's history with a DNA test. Learn where your Castro ancestors came from and connect with relatives worldwide.

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Similar Surnames to Castro

These surnames share similar popularity, spelling, or cultural background with Castro.

Other Spanish Surnames

Explore more surnames with Spanish roots. There are 162,254 surnames in our database — here are some that share the same Spanish origin as Castro.

Frequently Asked Questions About Castro

The surname Castro is of Spanish origin. Family name of Hispanic/Latino origin
The surname Castro is ranked #138 in the United States with approximately 184,134 people bearing this name as of the 2010 US Census.
Family name of Hispanic/Latino origin. The name has Spanish roots and has been present in the United States for generations.
According to US Census data, the Castro surname is distributed as: 7.3% White, 87.4% Hispanic. This reflects the diverse heritage of Americans with this name.
To trace your Castro ancestry, consider using DNA testing services like Ancestry.com, 23andMe, or MyHeritage. These services can connect you with relatives and reveal your ethnic heritage and migration patterns.

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