2000
#17,588
National surname rank
Recorded bearers 1,473
First available Census row
Per 100,000 0.55
Rare Last name
Alongi
An Italian surname perhaps derived from the name of the town Longi in Sicily.
According to the 2020 US Census Bureau surname tables, roughly 1,454 Americans carry the last name Alongi. That puts it at #21,075 in the national surname ranking, appearing at a frequency of 0.42 per 100,000 people (about 1 in 235,732 residents).
This page is the full Name Census profile for the Alongi 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
1.5K
1 in 235,732
Census rank
#21,075
2020 decennial data
Per 100,000
0.4
Frequency rate
Recorded bearers
1.3K
rare in the US
Popularity narrative
The Census Bureau recorded 1,268 bearers of the surname Alongi in its 2020 decennial surname file. At a rate of 0.42 per 100,000 residents, it holds the 21075th position in the national surname ranking.
Among Census respondents with the surname Alongi, the largest self-reported group is White at 91.2%. The next largest groups are Hispanic (5.0%) and Two or More Races (2.6%).
Origin
Meaning and origin of Alongi
The surname Alongi has its origins in Sicily, Italy, dating back to the 12th century. It is believed to have derived from the Italian word "lungo," meaning "long" or "tall," suggesting that the name was initially used to describe someone with a tall stature or a person who lived near a long or elongated geographic feature.
The earliest recorded instances of the name Alongi can be found in various medieval Sicilian documents, such as land deeds, tax records, and parish registers. One notable reference is found in the "Riveli" (tax records) of the Kingdom of Sicily from the late 15th century, where several individuals with the surname Alongi are listed as landowners in the province of Palermo.
In the 16th century, the Alongi family gained prominence in the town of Trapani, located in western Sicily. Several members of the family held prominent positions in the local government and were involved in the silk trade, which was a major industry in the region at the time.
One of the earliest recorded individuals with the surname Alongi was Giovanni Alongi, born in Trapani in 1532. He was a successful merchant and served as a municipal councilor in the city. Another notable figure was Vincenzo Alongi (1587-1657), a renowned architect who designed several churches and public buildings in Palermo and surrounding areas.
During the 17th and 18th centuries, the Alongi family spread throughout Sicily and parts of mainland Italy. Some members of the family pursued careers in the clergy, while others were involved in agriculture, trade, and the arts.
In the 19th century, Gaetano Alongi (1825-1905) was a prominent Sicilian painter and sculptor, known for his works depicting religious and historical scenes. His son, Ernesto Alongi (1858-1932), followed in his footsteps and became a respected painter and art professor in Palermo.
Another notable figure was Giuseppe Alongi (1879-1957), a Sicilian lawyer and politician who served as a member of the Italian Senate from 1948 to 1953.
As Italians immigrated to other parts of the world, the Alongi surname spread to various countries, including the United States, Canada, and Argentina, where descendants of the original Sicilian families continue to carry on the name.
Demographics
Ancestry and ethnicity for Alongi
Among Census respondents with the surname Alongi, the largest self-reported group is White at 91.2%. The next largest groups are Hispanic (5.0%) and Two or More Races (2.6%).
The bar chart below shows how Alongi 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 Alongi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White91.2% · 1,157
- Hispanic or Latino5.0% · 63
- Two or more races2.6% · 33
- Asian and Pacific Islander0.9% · 11
- Black or African American0.3% · 4
Timeline
Historical Census data for Alongi
Alongi appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
#18,734
National surname rank
Recorded bearers 1,465
-8 bearers (-0.5%)
Per 100,000 0.50
Rank movement Down 1,146 places
2020
#21,075
National surname rank
Recorded bearers 1,268
-197 bearers (-13.4%)
Per 100,000 0.42
Rank movement Down 2,341 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #17,588 | 1,473 | 0.55 | First available Census row | First available Census row |
| 2010 | #18,734 | 1,465 | 0.50 | -8 bearers (-0.5%) | Down 1,146 places |
| 2020 | #21,075 | 1,268 | 0.42 | -197 bearers (-13.4%) | Down 2,341 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 Alongi 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 | #18,734 | #21,075 | -12.5% |
| Count | 1,465 | 1,268 | -13.4% |
| Per 100K | 0.50 | 0.42 | -15.2% |
Between the 2010 and 2020 Census, the number of Alongi bearers went from 1,465 to 1,268 (-13.4% change). The surname moved down 2,341 positions in the national ranking, going from #18,734 to #21,075.
FAQ
Alongi surname: questions and answers
How many people in the U.S. have the surname Alongi?
Name Census estimates that about 1,454 living Americans carry the surname Alongi. Using the current population baseline, that works out to roughly 1 in 235,732 residents.
How common is Alongi?
Alongi ranks #21,075 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.42 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 1,268 people with the surname Alongi. That is different from the site's living-bearer estimate (1,454), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.42 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.42 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 Alongi.
Has Alongi become more or less common over time?
Between 2010 and 2020, the surname Alongi went from 1,465 recorded bearers to 1,268. That is a decrease of 197 (-13.4%). In the national ranking it fell from #18,734 to #21,075.
What does the Census say about the background of Alongi?
Among Census respondents with the surname Alongi, the largest self-reported group is White at 91.2%. The next largest groups are Hispanic (5.0%) and Two or More Races (2.6%). 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?
White is the largest self-reported group for the surname Alongi in the 2020 Census, accounting for 91.2% (1,157 people in the source table).
What is the full ancestry breakdown?
Alongi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (91.2%), Hispanic (5.0%), Two or More Races (2.6%). 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.
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 Alongi (2000, 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 Alongi mean?
An Italian surname perhaps derived from the name of the town Longi in Sicily. 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 Alongi (0.42 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 Americans have the surname Alongi?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.