2010
#158,432
National surname rank
First available Census row
A surname derived from the Spanish word for armament or weaponry.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Armamento. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Armamento 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Armamento in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Armamento, the largest self-reported group is Asian/Pacific Islander at 87.2%. The next largest groups are White (4.6%) and Two or More Races (4.6%).
Origin
The surname ARMAMENTO originated in Italy during the Middle Ages. It is derived from the Italian word "armamento," which means "armament" or "weapons." This suggests that the name may have been given to someone who worked as a weaponsmith, armorer, or in a similar profession related to the production or maintenance of weapons and armor.
The earliest known record of the ARMAMENTO surname dates back to the 13th century, appearing in historical documents from the city of Florence. One notable individual from this time period was Giovanni ARMAMENTO, a skilled swordsmith who was renowned for crafting high-quality blades for the Florentine nobility.
In the 14th century, the ARMAMENTO family expanded their influence beyond Florence and settled in other regions of Italy, including Naples and Rome. During the Renaissance, the name gained further prominence with the birth of Antonio ARMAMENTO (1450-1525), a talented artist and sculptor who contributed to the decoration of several churches and palaces in Rome.
As the ARMAMENTO family grew and dispersed throughout Italy, variations of the name emerged, such as Armamento, Armamenti, and Armanento. These variations were often influenced by regional dialects and local pronunciation.
In the 16th century, the ARMAMENTO name appeared in the records of the Republic of Venice, where a branch of the family established itself as respected merchants and traders. One notable figure from this time was Marco ARMAMENTO (1520-1598), a successful Venetian merchant who played a significant role in the city's flourishing trade with the Ottoman Empire.
During the 17th and 18th centuries, several members of the ARMAMENTO family distinguished themselves in various fields. Pietro ARMAMENTO (1625-1701) was a renowned architect who designed several notable buildings in Naples, while Giulia ARMAMENTO (1670-1748) was a celebrated opera singer who performed in the courts of Europe.
In the 19th century, the ARMAMENTO name continued to be associated with artistic and intellectual pursuits. Carlo ARMAMENTO (1810-1878) was a respected painter and art critic who contributed significantly to the development of Italian Romanticism, while Giancarlo ARMAMENTO (1845-1922) was a prominent philosopher and academic who taught at the University of Bologna.
Throughout its long history, the ARMAMENTO surname has been carried by individuals from diverse backgrounds and professions, reflecting the rich cultural heritage of Italy and the enduring influence of this storied name.
Demographics
Among Census respondents with the surname Armamento, the largest self-reported group is Asian/Pacific Islander at 87.2%. The next largest groups are White (4.6%) and Two or More Races (4.6%).
The bar chart below shows how Armamento 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 Armamento surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Armamento 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.
2010
National surname rank
First available Census row
2020
National surname rank
+7 bearers (+6.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #158,432 | 102 | 0.03 | First available Census row | First available Census row |
| 2020 | #150,205 | 109 | 0.04 | +7 bearers (+6.9%) | Up 8,227 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
How has the Armamento surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #158,432 | #150,205 | 5.2% |
| Count | 102 | 109 | 6.9% |
| Per 100K | 0.03 | 0.04 | 21.6% |
Between the 2010 and 2020 Census, the number of Armamento bearers went from 102 to 109 (+6.9% change). The surname moved up 8,227 positions in the national ranking, going from #158,432 to #150,205.
FAQ
Name Census estimates that about 125 living Americans carry the surname Armamento. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
Armamento ranks #150,205 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.
The raw 2020 Census file counted 109 people with the surname Armamento. That is different from the site's living-bearer estimate (125), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
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 Armamento.
Between 2010 and 2020, the surname Armamento went from 102 recorded bearers to 109. That is an increase of 7 (+6.9%). In the national ranking it rose from #158,432 to #150,205.
Among Census respondents with the surname Armamento, the largest self-reported group is Asian/Pacific Islander at 87.2%. The next largest groups are White (4.6%) and Two or More Races (4.6%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Asian/Pacific Islander is the largest self-reported group for the surname Armamento in the 2020 Census, accounting for 87.2% (95 people in the source table).
Armamento appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (87.2%), White (4.6%), Two or More Races (4.6%). 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.
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 Armamento (2010, 2020).
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.
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.
A surname derived from the Spanish word for armament or weaponry. The fuller origin note on this page goes into more detail.
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.
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 Armamento (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.