View the most partisan surnames in The United States

Where Does The Last Name Castanhas Come From? ^{nationality or country of origin}

The last name Castanhas is more frequently found in Portugal than any other country or territory. It can also appear as a variant:. For other possible spellings of Castanhas click here.

How Common Is The Last Name Castanhas? ^{popularity and diffusion}

The last name Castanhas is the 1,152,132^nd most widely held last name internationally, borne by approximately 1 in 35,036,278 people. The last name Castanhas is predominantly found in Europe, where 80 percent of Castanhas live; 77 percent live in Southwestern Europe and 77 percent live in Iberian Europe.

This last name is most common in Portugal, where it is borne by 160 people, or 1 in 65,114. Aside from Portugal Castanhas occurs in 5 countries. It is also common in Brazil, where 11 percent reside and The United States, where 9 percent reside.

Castanhas Last Name Statistics ^demography

In The United States those bearing the Castanhas last name are 46.77% more likely to be registered Democrats than The US average, with 100% being registered to vote for the party.

Castanhas earn somewhat less than the average income. In United States they earn 5.56% less than the national average, earning $40,750 USD per year.