2010
#148,347
National surname rank
Recorded bearers 111
First available Census row
Per 100,000 0.04
Very Rare Last name
Arduengo
From an Italian place name, possibly referring to someone from Arduno, Italy or nearby area.
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Arduengo. 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 Arduengo 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 Arduengo 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 Arduengo, the largest self-reported group is Hispanic at 59.8%. The next largest groups are White (40.2%).
Origin
Meaning and origin of Arduengo
The surname Arduengo has its origins in the Iberian Peninsula, particularly in the regions of Spain and Portugal, and can be traced back to the medieval period. It is believed to be derived from the Latin word "arduus," meaning steep or difficult, combined with the common Spanish suffix "-engo," indicating a place of origin or a characteristic.
One of the earliest recorded mentions of the name Arduengo can be found in the historic Catalan manuscript "Llibre del Repartiment de València" (Book of the Distribution of Valencia), dated around 1238 CE. This document details the distribution of lands and properties in the region of Valencia after its reconquest from the Moors by King James I of Aragon.
The name Arduengo is thought to have originally referred to an individual or family residing in a location with steep or challenging terrain, such as a mountain or hill. Over time, the name may have evolved into various spellings, including Arduenga, Ardiango, and Ardengo, reflecting regional linguistic variations.
One notable historical figure bearing the name Arduengo was Pedro Arduengo, a Spanish explorer and navigator who accompanied Christopher Columbus on his second voyage to the Americas in 1493. Pedro Arduengo played a significant role in the exploration and mapping of the Caribbean islands during this expedition.
Another prominent individual with the surname Arduengo was Juan Arduengo, a 16th-century Spanish poet and playwright. His works, though not widely known today, were celebrated during his lifetime and contributed to the rich literary tradition of the Spanish Golden Age.
In the 17th century, Francisco Arduengo was a renowned Spanish architect and master builder. He was responsible for the construction of several notable churches and public buildings in various cities of Spain, including the Cathedral of Murcia and the Church of Santa María in Alicante.
Moving to the 19th century, María Arduengo was a Spanish novelist and feminist activist who advocated for women's rights and education. Her writings and speeches played a significant role in raising awareness about gender equality and social reforms during that era.
Lastly, in the early 20th century, Antonio Arduengo was a Spanish military officer and diplomat who served as the Spanish ambassador to several countries, including Argentina and Brazil. His diplomatic efforts helped strengthen Spain's international relations during a crucial period in its history.
While the surname Arduengo may not be as common as some other Spanish or Portuguese surnames, it has a rich and diverse history, spanning various fields such as exploration, literature, architecture, social activism, and diplomacy.
Demographics
Ancestry and ethnicity for Arduengo
Among Census respondents with the surname Arduengo, the largest self-reported group is Hispanic at 59.8%. The next largest groups are White (40.2%).
The bar chart below shows how Arduengo 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 Arduengo surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino59.8% · 67
- White40.2% · 45
Timeline
Historical Census data for Arduengo
Arduengo 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
+1 bearers (+0.9%)
Per 100,000 0.04
Rank movement Up 393 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #148,347 | 111 | 0.04 | First available Census row | First available Census row |
| 2020 | #147,954 | 112 | 0.04 | +1 bearers (+0.9%) | Up 393 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 Arduengo 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 | #148,347 | #147,954 | 0.3% |
| Count | 111 | 112 | 0.9% |
| Per 100K | 0.04 | 0.04 | -6.3% |
Between the 2010 and 2020 Census, the number of Arduengo bearers went from 111 to 112 (+0.9% change). The surname moved up 393 positions in the national ranking, going from #148,347 to #147,954.
FAQ
Arduengo surname: questions and answers
How many people in the U.S. have the surname Arduengo?
Name Census estimates that about 128 living Americans carry the surname Arduengo. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
How common is Arduengo?
Arduengo 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 Arduengo. 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 Arduengo.
Has Arduengo become more or less common over time?
Between 2010 and 2020, the surname Arduengo went from 111 recorded bearers to 112. That is an increase of 1 (+0.9%). In the national ranking it rose from #148,347 to #147,954.
What does the Census say about the background of Arduengo?
Among Census respondents with the surname Arduengo, the largest self-reported group is Hispanic at 59.8%. The next largest groups are White (40.2%). 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 Arduengo in the 2020 Census, accounting for 59.8% (67 people in the source table).
What is the full ancestry breakdown?
Arduengo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (59.8%), White (40.2%). 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 Arduengo (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 Arduengo mean?
From an Italian place name, possibly referring to someone from Arduno, Italy or nearby area. 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 Arduengo (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 common is the surname Arduengo?
You can see how many Americans have the surname Arduengo on our sister site HowManyOfMe.org — same data roots, lighter UI.