Explore the Family Name Castanos

The meaning of Castanos

Spanish and Basque (Castaños): topographic name from the plural of Spanish castaño ‘chestnut’, or a habitational name from either of two places called Castaños in Biscay (Basque Country).

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Castanos in the United States?

Based on the data from the Decennial U.S. Census, the popularity of the surname Castanos has seen a notable increase from the year 2000 to 2010. In 2000, this surname was ranked 44,192 in terms of popularity and had a count of 459. By 2010, the rank had improved to 39,486 and the count rose to 557, signifying a growth of 21.35%. The proportion per 100,000 also increased by 11.76% during the same period.

20002010Change
Rank#44,192#39,48610.65%
Count45955721.35%
Proportion per 100k0.170.1911.76%

Race and Ethnicity of people with the last name Castanos

In terms of ethnic identity as detailed by the Decennial U.S. Census, the Castanos surname has predominantly been associated with the Hispanic community, which registered a significant growth of 13.33% from 70.81% in 2000 to 80.25% in 2010. While there were some individuals of White ethnicity carrying the surname in 2000, its percentage dropped dramatically by 47.97% to 10.77% in 2010. The proportion of those identifying as Asian/Pacific Islander saw a minor decrease of 2.42%. However, no changes were observed within the categories of Black, Two or more races, and American Indian and Alaskan Native as the data remained at zero for both years under consideration.

20002010Change
Hispanic70.81%80.25%13.33%
White20.7%10.77%-47.97%
Asian/Pacific Islander8.28%8.08%-2.42%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%