Explore the Family Name Costilla

The meaning of Costilla

Spanish: diminutive of Costa, or a nickname or a topographic name from costilla ‘rib’. Some characteristic forenames: Spanish Jesus, Jose, Manuel, Juan, Emilio, Lupe, Ana Maria, Andres, Arturo, Domingo, Javier, Marcelino.

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

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

Based on the Decennial U.S. Census data, the surname Costilla has experienced a significant increase in popularity from 2000 to 2010. In 2000, it was ranked 13,731st most popular surname in the United States, but by 2010, it had jumped to 11,062nd place, reflecting a change of 19.44%. During this same period, the count of individuals with the Costilla surname also increased by 41.9%, from 2,024 to 2,872. The proportion per 100,000 people also grew by 29.33%.

20002010Change
Rank#13,731#11,06219.44%
Count2,0242,87241.9%
Proportion per 100k0.750.9729.33%

Race and Ethnicity of people with the last name Costilla

Examining the ethnic identity associated with the Costilla surname as per the Decennial U.S. Census, the majority of individuals identify as Hispanic, although there was a slight decrease of 1.95% between 2000 and 2010. In contrast, those identifying as White increased by 34.35%, though they still represent a much smaller percentage compared to those of Hispanic ethnicity. There were minimal changes in those identifying as Black or American Indian and Alaskan Native. The data for those of Asian/Pacific Islander ethnicity and two or more races was suppressed for privacy reasons.

20002010Change
Hispanic92.54%90.74%-1.95%
White5.88%7.9%34.35%
Black0.4%0.52%30%
American Indian and Alaskan Native0.49%0.52%6.12%
Asian/Pacific Islander0%0%0%
Two or More Races0.69%0%0%