# Castro (surname)

Source: https://namelineage.com/surname/castro/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

A surname from Spanish.

| Field | Value |
|---|---|
| Origin | Spanish |
| Type | not recorded |
| People in the US (2010 Census) | 184,134 |
| US rank (2010) | 138 of 162,253 |
| How often | about 1 in every 1,677 people |
| Change since 2000 | +38% (133,254 in 2000) |
| Pronunciation | /ˈkæstɹoʊ/, 2 syllables |
| Variant spellings | none recorded |

## Etymology

Borrowed from Spanish Castro. The neighborhood is named after Californio politician José Castro (1808–1860).

## Who carries it

Share of people named Castro in the 2010 US Census by the Census's own race and ethnicity groups. The Census suppresses a share when the count behind it is small.

| Group | Share |
|---|---|
| White (not Hispanic) | 7.3% |
| Black (not Hispanic) | 0.7% |
| Hispanic or Latino (any race) | 87% |
| Asian and Pacific Islander | 3.7% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 0.6% |

## Where

Wikidata records people named Castro in Argentina, the United States, Brazil, Bolivia, Belgium and Chile.

## People named Castro

- Julián Castro, 16th Secretary of Housing and Urban Development and 181st Mayor of San Antonio
- Hélio Castroneves, Brazilian racecar driver
- Raquel Castro, American actress and singer
- Raúl Héctor Castro, American judge (1916-2015)
- Santiago Castro, Argentine association football player
- Lucas Castro, Argentine professional footballer
- Eduardo Viveiros de Castro, Brazilian anthropologist
- David Castro, American actor
- Juan José Castro, Argentine musician, composer, condutro, violinist and pianist (1895–1968)
- Jorge Fernando Castro, Argentine boxer (1967–2026)
- Alessio Castro-Montes, association football player
- Luciano Castro, Argentine actor

and 17 more on Wikidata.

## Similar surnames

Castor, Caster, Castrejon, Castorena, Castruita, Casterline, Castrellon, Castrillon, Castrillo, Chester, Custer, Coster.

## How to read these numbers

A Census count is people alive and counted in 2010, not births, and names occurring fewer than 100 times are not published at all. Ethnicity shares are the Census's own categories.