Explore the Family Name Aca

The meaning of Aca

1. Spanish (mainly Cádiz): unexplained. This surname is very rare in Spain. 2. Hispanic and Amerindian (Mexico): from a Castilianized form of Nahuatl (Aztec) ácatl ‘reed’.

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

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

According to the Decennial U.S. Census data, the surname Aca has seen a significant increase in popularity over a decade. In 2000, Aca was ranked 105,374 in terms of popularity, with only 157 individuals carrying the surname. However, by 2010, it had climbed to rank 54,864, with the count of individuals named Aca increasing to 375. This represents an impressive 138.85% change in the number of people with this last name, and a marked increase in its proportion per 100,000 people from 0.06 to 0.13.

20002010Change
Rank#105,374#54,86447.93%
Count157375138.85%
Proportion per 100k0.060.13116.67%

Race and Ethnicity of people with the last name Aca

In terms of ethnicity, the Decennial U.S. Census data shows that the majority of individuals with the surname Aca identify as Hispanic. In 2000, 87.90% of individuals with this surname identified as such, and this percentage increased to 94.40% in 2010. There was a small percentage (7.01%) of individuals who identified as White in 2000, but this decreased to 3.20% by 2010. The proportion of individuals identifying as Asian/Pacific Islander also changed, falling from 3.82% in 2000 to zero by 2010. No individuals with the surname Aca identified as Black, American Indian and Alaskan Native, or of two or more races in either year.

20002010Change
Hispanic87.9%94.4%7.39%
White7.01%3.2%-54.35%
Asian/Pacific Islander3.82%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%