2010
#151,532
National surname rank
Recorded bearers 108
First available Census row
Per 100,000 0.04
Very Rare Last name
Chiapuzio
An Italian surname indicating ancestral origin or residence near a place named Chiapuzzo.
According to the 2020 US Census Bureau surname tables, roughly 124 Americans carry the last name Chiapuzio. That puts it at #150,935 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,764,148 residents).
This page is the full Name Census profile for the Chiapuzio 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
124
1 in 2,764,148
Census rank
#150,935
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
108
very rare in the US
Popularity narrative
The Census Bureau recorded 108 bearers of the surname Chiapuzio in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150935th position in the national surname ranking.
Among Census respondents with the surname Chiapuzio, the largest self-reported group is White at 88.0%. The next largest groups are Two or More Races (5.6%) and Hispanic (2.8%).
Origin
Meaning and origin of Chiapuzio
The surname Chiapuzio originates from Italy, specifically the region of Piedmont in the northwestern part of the country. The earliest known records of this name date back to the 13th century.
It is believed that the name Chiapuzio derived from the Italian word "chiappare," which means "to grasp" or "to seize." This suggests that the name may have initially been an occupational surname given to someone who worked as a hunter, trapper, or gatherer.
One of the earliest recorded instances of the Chiapuzio name can be found in a document from the city of Turin in 1274, which mentions a person named Giovanni Chiapuzio. This document provides evidence that the name was present in the Piedmont region during the medieval period.
In the 15th century, historical records show that a family with the surname Chiapuzio owned land and property in the town of Casale Monferrato, located in the province of Alessandria, Piedmont. This family was involved in agriculture and wine-making, which were important industries in the region.
A notable figure bearing the Chiapuzio name was Girolamo Chiapuzio, born in 1547 in the town of Asti, Piedmont. He was a renowned scholar and humanist who wrote several works on philosophy and literature during the Renaissance period.
In the 17th century, a man named Pietro Chiapuzio, born in 1623 in Cuneo, Piedmont, gained recognition as a skilled architect and engineer. He was responsible for the design and construction of several churches and buildings in the region.
Another prominent individual with the Chiapuzio surname was Tommaso Chiapuzio, born in 1782 in Vercelli, Piedmont. He was a lawyer and politician who served as a member of the Italian Parliament during the early years of the Kingdom of Italy in the 19th century.
Over time, some variations in the spelling of the Chiapuzio name emerged, such as Chiapuzzi, Chiapuzzo, and Chiappuzio. These variations were likely due to regional differences in pronunciation and spelling conventions.
Demographics
Ancestry and ethnicity for Chiapuzio
Among Census respondents with the surname Chiapuzio, the largest self-reported group is White at 88.0%. The next largest groups are Two or More Races (5.6%) and Hispanic (2.8%).
The bar chart below shows how Chiapuzio 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 Chiapuzio surname at the time of the 2020 Census, not any inherent property of the name itself.
- White88.0% · 95
- Two or more races5.6% · 6
- Hispanic or Latino2.8% · 3
- American Indian and Alaska Native1.9% · 2
- Black or African American0.9% · 1
- Asian and Pacific Islander0.9% · 1
Timeline
Historical Census data for Chiapuzio
Chiapuzio 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
#150,935
National surname rank
Recorded bearers 108
+0 bearers (+0.0%)
Per 100,000 0.04
Rank movement Up 597 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #151,532 | 108 | 0.04 | First available Census row | First available Census row |
| 2020 | #150,935 | 108 | 0.04 | +0 bearers (+0.0%) | Up 597 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 Chiapuzio 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 | #151,532 | #150,935 | 0.4% |
| Count | 108 | 108 | 0.0% |
| Per 100K | 0.04 | 0.04 | -9.7% |
Between the 2010 and 2020 Census, the number of Chiapuzio bearers went from 108 to 108 (+0.0% change). The surname moved up 597 positions in the national ranking, going from #151,532 to #150,935.
FAQ
Chiapuzio surname: questions and answers
How many people in the U.S. have the surname Chiapuzio?
Name Census estimates that about 124 living Americans carry the surname Chiapuzio. Using the current population baseline, that works out to roughly 1 in 2,764,148 residents.
How common is Chiapuzio?
Chiapuzio ranks #150,935 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 108 people with the surname Chiapuzio. That is different from the site's living-bearer estimate (124), 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 Chiapuzio.
Has Chiapuzio become more or less common over time?
Between 2010 and 2020, the surname Chiapuzio went from 108 recorded bearers to 108. That is an increase of 0 (+0.0%). In the national ranking it rose from #151,532 to #150,935.
What does the Census say about the background of Chiapuzio?
Among Census respondents with the surname Chiapuzio, the largest self-reported group is White at 88.0%. The next largest groups are Two or More Races (5.6%) and Hispanic (2.8%). 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?
White is the largest self-reported group for the surname Chiapuzio in the 2020 Census, accounting for 88.0% (95 people in the source table).
What is the full ancestry breakdown?
Chiapuzio appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.0%), Two or More Races (5.6%), Hispanic (2.8%). 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 Chiapuzio (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 Chiapuzio mean?
An Italian surname indicating ancestral origin or residence near a place named Chiapuzzo. 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 Chiapuzio (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 Americans have the surname Chiapuzio?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.