2010
#150,452
National surname rank
Recorded bearers 109
First available Census row
Per 100,000 0.04
Very Rare Last name
Aguillen
A Spanish surname derived from the word "águila," meaning "eagle," likely referring to someone with eagle-like qualities or associated with eagles.
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Aguillen. That puts it at #147,954 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,677,768 residents).
This page is the full Name Census profile for the Aguillen surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
Bearers in the US
128
1 in 2,677,768
Census rank
#147,954
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
112
very rare in the US
Popularity narrative
The Census Bureau recorded 112 bearers of the surname Aguillen in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147954th position in the national surname ranking.
Among Census respondents with the surname Aguillen, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (1.8%) and Asian/Pacific Islander (1.8%).
Origin
Meaning and origin of Aguillen
The surname AGUILLEN has its origins in Spain and can be traced back to the medieval period. It is derived from the Spanish word "aguila," meaning "eagle." The name likely originated as a nickname or a descriptive name for someone who had a keen eyesight or a sharp, eagle-like appearance.
One of the earliest recorded instances of the surname AGUILLEN can be found in the 13th-century Libro de la Montería, a book written during the reign of Alfonso XI of Castile. This book contains a list of names of individuals involved in hunting expeditions, including several individuals with the surname AGUILLEN.
During the 15th century, the surname AGUILLEN appeared in various historical documents from the region of Aragon, in northeastern Spain. It was often associated with individuals from the town of Aguilón, which may have contributed to the evolution of the surname's spelling.
In the 16th century, a notable figure with the surname AGUILLEN was Pedro Aguillen (c. 1510-1570), a Spanish explorer and navigator who accompanied Francisco Pizarro on his expeditions to Peru. Aguillen played a crucial role in the conquest of the Inca Empire and was rewarded with land grants in the newly conquered territories.
Another prominent individual with the surname AGUILLEN was Antonio Aguillen (1616-1674), a Spanish painter from Murcia who was known for his religious and historical works. His paintings can be found in various churches and museums across Spain.
In the 18th century, Gaspar Aguillen (1725-1792) was a Spanish military officer who served in the Spanish Army during the American Revolutionary War. He fought alongside the British forces and was involved in several battles against the American colonists.
During the 19th century, the surname AGUILLEN spread to other parts of the Spanish-speaking world, including Latin America. One notable figure from this period was Nicolás Aguillen (1837-1912), a Mexican politician and diplomat who served as the Minister of Foreign Affairs for Mexico from 1902 to 1906.
While the surname AGUILLEN has its roots in Spain, it has since become prominent in various Spanish-speaking countries, reflecting the widespread influence of Spanish culture and language throughout the world.
Demographics
Ancestry and ethnicity for Aguillen
Among Census respondents with the surname Aguillen, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (1.8%) and Asian/Pacific Islander (1.8%).
The bar chart below shows how Aguillen bearers described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Aguillen surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino96.4% · 108
- White1.8% · 2
- Asian and Pacific Islander1.8% · 2
Timeline
Historical Census data for Aguillen
Aguillen appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2020
#147,954
National surname rank
Recorded bearers 112
+3 bearers (+2.8%)
Per 100,000 0.04
Rank movement Up 2,498 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #150,452 | 109 | 0.04 | First available Census row | First available Census row |
| 2020 | #147,954 | 112 | 0.04 | +3 bearers (+2.8%) | Up 2,498 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
2010 vs 2020 Census
How has the Aguillen surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #150,452 | #147,954 | 1.7% |
| Count | 109 | 112 | 2.8% |
| Per 100K | 0.04 | 0.04 | -6.3% |
Between the 2010 and 2020 Census, the number of Aguillen bearers went from 109 to 112 (+2.8% change). The surname moved up 2,498 positions in the national ranking, going from #150,452 to #147,954.
FAQ
Aguillen surname: questions and answers
How many people in the U.S. have the surname Aguillen?
Name Census estimates that about 128 living Americans carry the surname Aguillen. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
How common is Aguillen?
Aguillen ranks #147,954 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 112 people with the surname Aguillen. That is different from the site's living-bearer estimate (128), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Aguillen.
Has Aguillen become more or less common over time?
Between 2010 and 2020, the surname Aguillen went from 109 recorded bearers to 112. That is an increase of 3 (+2.8%). In the national ranking it rose from #150,452 to #147,954.
What does the Census say about the background of Aguillen?
Among Census respondents with the surname Aguillen, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (1.8%) and Asian/Pacific Islander (1.8%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
Hispanic is the largest self-reported group for the surname Aguillen in the 2020 Census, accounting for 96.4% (108 people in the source table).
What is the full ancestry breakdown?
Aguillen appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (96.4%), White (1.8%), Asian/Pacific Islander (1.8%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Is this page using the latest Census data?
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Aguillen (2010, 2020).
Does the Census include every surname?
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
Why don't the ancestry percentages always add up to exactly 100%?
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
What does Aguillen mean?
A Spanish surname derived from the word "águila," meaning "eagle," likely referring to someone with eagle-like qualities or associated with eagles. The fuller origin note on this page goes into more detail.
Where does the surname data come from?
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
How does Name Census estimate living bearers?
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Aguillen (0.04 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How many people have the last name Aguillen?
Find out how many people have the last name Aguillen on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.