How Common Is the Surname Casillas?
The surname Casillas is the #1,579 most common last name in the United States, with an estimated 25,864 bearers. That's about 1 in 12,987 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Casillas surname's frequency in the U.S. population, its rank among all American surnames, and a breakdown of ancestry and ethnicity data from the Census. You can also check how many people share any first + last name combination involving Casillas.
Estimated Americans with this Surname
25,864
About 1 in 12,987 people in the U.S.
Census Rank
#1,579
Frequency Rate
7.70
per 100,000 people
Census Count
22,710
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Casillas
The Casillas surname is most commonly associated with people who identify as Hispanic (94.05%). The next largest groups are White (5.02%) and American Indian/Alaska Native (0.33%).
Self-reported race and ethnicity from the 2010 U.S. Census Bureau surname tables. Some categories may be suppressed for privacy when sample sizes are small.
How Many People Are Named ... Casillas?
Pair the Casillas surname with a first name to estimate how many people share that full name in the United States.
Casillas Surname: Questions and Answers
How common is the last name Casillas?
Casillas is the #1,579 most common surname in the United States, with an estimated 25,864 people sharing this last name. It appears at a rate of 7.70 per 100,000 Americans.
What ethnicity is the surname Casillas?
The Casillas surname is most commonly associated with people who identify as Hispanic (94.05%). The next largest groups are White (5.02%) and American Indian/Alaska Native (0.33%). This data comes from the 2010 U.S. Census Bureau surname tables, which include self-reported race and ethnicity breakdowns.
How many people named [First Name] Casillas are there?
We can estimate any first + last name combination. Popular examples: Michael Casillas, James Casillas, John Casillas. Search any combination on our homepage.
Where does this surname data come from?
Surname frequency data comes from the 2010 U.S. Census Bureau decennial surname tables. These list every surname appearing in the Census along with frequency rates and demographic breakdowns. Full methodology.
Search for a full name combination
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