2010
#160,975
National surname rank
Recorded bearers 100
First available Census row
Per 100,000 0.03
Very Rare Last name
Ciapponi
Italian surname derived from "ciappa" meaning a type of cloth.
According to the 2020 US Census Bureau surname tables, roughly 122 Americans carry the last name Ciapponi. That puts it at #152,339 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,809,462 residents).
This page is the full Name Census profile for the Ciapponi 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
122
1 in 2,809,462
Census rank
#152,339
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
106
very rare in the US
Popularity narrative
The Census Bureau recorded 106 bearers of the surname Ciapponi in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152339th position in the national surname ranking.
Among Census respondents with the surname Ciapponi, the largest self-reported group is White at 88.7%. The next largest groups are Two or More Races (5.7%) and Hispanic (4.7%).
Origin
Meaning and origin of Ciapponi
The surname Ciapponi originates from Italy and dates back to the medieval period. It is believed to have derived from the Italian word "ciappo," which means a tree stump or log. This suggests that the name may have been an occupational surname for someone who worked with trees or wood, such as a lumberjack or woodcutter.
The earliest recorded instances of the name Ciapponi can be traced back to the 13th century in the region of Tuscany, particularly in the city of Florence. One notable reference is found in the Florentine tax records of 1260, where a person named Jacopo Ciapponi is listed as a landowner.
In the 14th century, a prominent figure with this surname was Piero Ciapponi, a wealthy merchant and banker who lived in Florence between 1320 and 1396. He was a member of the influential Ciapponi family, which played a significant role in the city's political and economic affairs during that time.
Another historical figure with the Ciapponi surname was Giovanni Ciapponi, a 16th-century Italian humanist scholar and diplomat. He was born in Florence in 1492 and served as an ambassador for the Medici family, representing their interests at various European courts.
In the 17th century, the Ciapponi family gained further prominence when Filippo Ciapponi (1620-1698) became a renowned artist and architect in Florence. He was responsible for designing several notable buildings in the city, including the Church of San Firenze and the Palazzo Ciapponi.
Moving into the 18th century, a notable figure was Alessandro Ciapponi (1737-1817), who was a distinguished Italian jurist and legal scholar. He served as a judge in the Grand Duchy of Tuscany and contributed significantly to the development of Italian civil law.
Throughout its history, the Ciapponi surname has been associated with various place names in Tuscany, such as Ciapponi Vecchio and Ciapponi Nuovo, which were villages or hamlets where members of the family resided. The name has also appeared in various spellings, including Ciamponi and Ciampini, which were likely regional variations.
Demographics
Ancestry and ethnicity for Ciapponi
Among Census respondents with the surname Ciapponi, the largest self-reported group is White at 88.7%. The next largest groups are Two or More Races (5.7%) and Hispanic (4.7%).
The bar chart below shows how Ciapponi 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 Ciapponi surname at the time of the 2020 Census, not any inherent property of the name itself.
- White88.7% · 94
- Two or more races5.7% · 6
- Hispanic or Latino4.7% · 5
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Ciapponi
Ciapponi 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
#152,339
National surname rank
Recorded bearers 106
+6 bearers (+6.0%)
Per 100,000 0.04
Rank movement Up 8,636 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #160,975 | 100 | 0.03 | First available Census row | First available Census row |
| 2020 | #152,339 | 106 | 0.04 | +6 bearers (+6.0%) | Up 8,636 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 Ciapponi 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 | #160,975 | #152,339 | 5.4% |
| Count | 100 | 106 | 6.0% |
| Per 100K | 0.03 | 0.04 | 18.2% |
Between the 2010 and 2020 Census, the number of Ciapponi bearers went from 100 to 106 (+6.0% change). The surname moved up 8,636 positions in the national ranking, going from #160,975 to #152,339.
FAQ
Ciapponi surname: questions and answers
How many people in the U.S. have the surname Ciapponi?
Name Census estimates that about 122 living Americans carry the surname Ciapponi. Using the current population baseline, that works out to roughly 1 in 2,809,462 residents.
How common is Ciapponi?
Ciapponi ranks #152,339 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 106 people with the surname Ciapponi. That is different from the site's living-bearer estimate (122), 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 Ciapponi.
Has Ciapponi become more or less common over time?
Between 2010 and 2020, the surname Ciapponi went from 100 recorded bearers to 106. That is an increase of 6 (+6.0%). In the national ranking it rose from #160,975 to #152,339.
What does the Census say about the background of Ciapponi?
Among Census respondents with the surname Ciapponi, the largest self-reported group is White at 88.7%. The next largest groups are Two or More Races (5.7%) and Hispanic (4.7%). 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 Ciapponi in the 2020 Census, accounting for 88.7% (94 people in the source table).
What is the full ancestry breakdown?
Ciapponi appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.7%), Two or More Races (5.7%), Hispanic (4.7%). 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 Ciapponi (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 Ciapponi mean?
Italian surname derived from "ciappa" meaning a type of cloth. 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 Ciapponi (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 are called Ciapponi?
For a quick modern take, check how many people have the surname Ciapponi on our sister site HowManyOfMe.org.