Castro (surname)


Castro is an Iberian surname coming from Latin castrum, a fortification. The English equivalent is Smith.
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Geographical distribution

As of 2014, 19.2% of all known bearers of the surname Castro were residents of Mexico, 12.0% of Colombia, 10.0% of Brazil, 6.8% of the Philippines, 6.3% of the United States, 5.2% of Argentina, 4.8% of Peru, 4.7% of Spain, 4.0% of Venezuela, 3.9% of Chile, 3.0% of Ecuador, 2.6% of Honduras, 2.4% of Guatemala, 2.0% of Costa Rica, 1.8% of Cuba, 1.7% of Nicaragua, 1.5% of Bolivia, 1.5% of El Salvador, 1.5% of Portugal, 1.4% of the Dominican Republic and 1.1% of Mozambique.
In Spain, the frequency of the surname was higher than national average in the following autonomous communities:
In Costa Rica, the frequency of the surname was higher than national average in the following provinces: