Explore the Family Name Castiblanco

The meaning of Castiblanco

Spanish: variant of Castilblanco, a habitational name from any of several places in Spain so named from castillo blanco ‘white castle’.

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

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

Based on the Decennial U.S. Census data, the surname Castiblanco has significantly increased in popularity since 2000. In the year 2000, it was ranked 76,465th in popularity, but by 2010 it had jumped to 52,851st, reflecting a substantial increase of 30.88%. The actual count of people with the surname also grew from 234 in 2000 to 392 in 2010—an impressive rise of 67.52%. This growth is further demonstrated by the proportion per 100,000 people, which increased by 44.44% from 0.09 to 0.13 over the same period.

20002010Change
Rank#76,465#52,85130.88%
Count23439267.52%
Proportion per 100k0.090.1344.44%

Race and Ethnicity of people with the last name Castiblanco

In terms of ethnicity, the Decennial U.S. Census data shows that the overwhelming majority of people with the surname Castiblanco identify as Hispanic. This group made up 91.88% of all Castiblancos in 2000 and even grew to encompass 96.17% by 2010, a change of 4.67%. Meanwhile, the proportion of white individuals among those with this surname dropped by a notable 56.03% from 8.12% in 2000 to just 3.57% in 2010. There were no reported occurrences of the surname Castiblanco within Asian/Pacific Islander, Black, or American Indian and Alaskan Native communities in either census year.

20002010Change
Hispanic91.88%96.17%4.67%
White8.12%3.57%-56.03%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%