Explore the Family Name Aguillar

The meaning of Aguillar

Spanish: variant of Aguilar.

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

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

Based on the Decennial U.S. Census, the surname Aguillar has seen a significant rise in popularity between 2000 and 2010. In 2000, Aguillar was ranked as the 40,908th most popular surname, but by 2010, it had jumped to the 30,600th position, marking an impressive 25.2% increase. Similarly, the number of people bearing the Aguillar surname grew from 503 in 2000 to 762 in 2010, indicating a substantial increase of 51.49%. The proportion of individuals with the Aguillar surname per 100k also rose from 0.19 to 0.26 during this period, showing a growth of 36.84%.

20002010Change
Rank#40,908#30,60025.2%
Count50376251.49%
Proportion per 100k0.190.2636.84%

Race and Ethnicity of people with the last name Aguillar

The Aguillar surname's ethnic identity shift from 2000 to 2010 is also quite noteworthy. Based on data from the Decennial U.S. Census, the majority of individuals with the Aguillar surname identified as Hispanic, with percentages hovering around 95% for both years. However, there were small, yet significant shifts observed during this period. For instance, there was a slight decrease of 0.30% in the percentage of Hispanics, while the White population saw a somewhat larger decline of 14.50%. Interestingly, the Black and Asian/Pacific Islander populations saw an emergence, albeit small, with 0.92% and 0.66% respectively in 2010, where there were none reported in 2000.

20002010Change
Hispanic95.43%95.14%-0.3%
White3.38%2.89%-14.5%
Black0%0.92%0%
Asian/Pacific Islander0%0.66%0%
Two or More Races0%0%0%
American Indian and Alaskan Native0%0%0%