2000
#123,314
National surname rank
First available Census row
An Italian surname derived from a diminutive form of the given name Ponzo.
According to the 2020 US Census Bureau surname tables, roughly 139 Americans carry the last name Ponzetti. That puts it at #141,309 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,465,859 residents).
This page is the full Name Census profile for the Ponzetti 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
139
1 in 2,465,859
Census rank
#141,309
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
121
very rare in the US
Popularity narrative
The Census Bureau recorded 121 bearers of the surname Ponzetti in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 141309th position in the national surname ranking.
Among Census respondents with the surname Ponzetti, the largest self-reported group is White at 95.9%. The next largest groups are Two or More Races (2.5%) and American Indian/Alaska Native (1.7%).
Origin
The surname Ponzetti originated in Italy, specifically in the northern regions of Lombardy and Piedmont, during the medieval period. It is believed to be derived from the personal name Ponzo or Ponzio, which has its roots in the Latin word "Pontius," meaning "of the sea." This suggests that the name may have been borne by individuals who lived near the sea or worked in maritime-related professions.
One of the earliest recorded instances of the name Ponzetti can be found in historical documents from the 13th century in the town of Pavia, located in the Lombardy region. These records mention a family of nobles known as the Ponzetti di Pavia, who held significant influence and power in the area during that time.
In the late 14th century, a notable figure named Giovanni Ponzetti was born in the town of Cremona, also in Lombardy. He was a renowned architect and sculptor who contributed to the construction of several churches and public buildings in the region, including the Duomo di Cremona, one of the city's most iconic landmarks.
During the Renaissance period, the Ponzetti family expanded their presence to other parts of Italy. In the 16th century, a scholar named Francesco Ponzetti was born in Genoa, in the northwestern region of Liguria. He gained recognition for his works on philosophy and literature, and his writings were widely circulated among the intellectual circles of the time.
In the 17th century, a painter named Pietro Ponzetti was born in the city of Turin, in the Piedmont region. He was known for his intricate landscapes and portraits, which were highly sought after by the nobility and wealthy patrons of the arts. Some of his works can still be found in museums and private collections across Italy and Europe.
Another notable figure with the surname Ponzetti was Antonio Ponzetti, born in the late 18th century in the town of Mantua, in Lombardy. He was a prominent composer and violinist who contributed significantly to the development of Italian classical music. His compositions were performed in various theaters and concert halls throughout Europe during his lifetime.
The Ponzetti surname has since spread beyond Italy and can be found in various parts of the world, particularly among individuals with Italian ancestry. However, its roots and earliest recorded instances can be traced back to the northern regions of Italy, where it originated and flourished during the medieval and Renaissance periods.
Demographics
Among Census respondents with the surname Ponzetti, the largest self-reported group is White at 95.9%. The next largest groups are Two or More Races (2.5%) and American Indian/Alaska Native (1.7%).
The bar chart below shows how Ponzetti 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 Ponzetti surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Ponzetti 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.
2000
National surname rank
First available Census row
2010
National surname rank
-13 bearers (-10.1%)
2020
National surname rank
+5 bearers (+4.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #123,314 | 129 | 0.05 | First available Census row | First available Census row |
| 2010 | #143,149 | 116 | 0.04 | -13 bearers (-10.1%) | Down 19,835 places |
| 2020 | #141,309 | 121 | 0.04 | +5 bearers (+4.3%) | Up 1,840 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 Ponzetti 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 | #143,149 | #141,309 | 1.3% |
| Count | 116 | 121 | 4.3% |
| Per 100K | 0.04 | 0.04 | 1.2% |
Between the 2010 and 2020 Census, the number of Ponzetti bearers went from 116 to 121 (+4.3% change). The surname moved up 1,840 positions in the national ranking, going from #143,149 to #141,309.
FAQ
Name Census estimates that about 139 living Americans carry the surname Ponzetti. Using the current population baseline, that works out to roughly 1 in 2,465,859 residents.
Ponzetti ranks #141,309 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 121 people with the surname Ponzetti. That is different from the site's living-bearer estimate (139), 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 Ponzetti.
Between 2010 and 2020, the surname Ponzetti went from 116 recorded bearers to 121. That is an increase of 5 (+4.3%). In the national ranking it rose from #143,149 to #141,309.
Among Census respondents with the surname Ponzetti, the largest self-reported group is White at 95.9%. The next largest groups are Two or More Races (2.5%) and American Indian/Alaska Native (1.7%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Ponzetti in the 2020 Census, accounting for 95.9% (116 people in the source table).
Ponzetti appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.9%), Two or More Races (2.5%), American Indian/Alaska Native (1.7%). 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.
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 Ponzetti (2000, 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.
An Italian surname derived from a diminutive form of the given name Ponzo. 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 Ponzetti (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.
Find out how many people have the last name Ponzetti on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.