2000
#42,217
National surname rank
Recorded bearers 484
First available Census row
Per 100,000 0.18
Very Rare Last name
Giampa
An Italian surname derived from the given name Giampietro or Gianbattista.
According to the 2020 US Census Bureau surname tables, roughly 532 Americans carry the last name Giampa. That puts it at #49,062 in the national surname ranking, appearing at a frequency of 0.16 per 100,000 people (about 1 in 644,275 residents).
This page is the full Name Census profile for the Giampa 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
532
1 in 644,275
Census rank
#49,062
2020 decennial data
Per 100,000
0.2
Frequency rate
Recorded bearers
464
very rare in the US
Popularity narrative
The Census Bureau recorded 464 bearers of the surname Giampa in its 2020 decennial surname file. At a rate of 0.16 per 100,000 residents, it holds the 49062nd position in the national surname ranking.
Among Census respondents with the surname Giampa, the largest self-reported group is White at 94.0%. The next largest groups are Hispanic (3.9%) and Black (1.3%).
Origin
Meaning and origin of Giampa
The surname Giampa has its origins in Italy, specifically in the regions of Sicily and Calabria. It is believed to have emerged during the Middle Ages, around the 11th or 12th century. The name is thought to be derived from the Greek word "giampa," meaning "lame" or "crippled," suggesting that it may have initially been a descriptive nickname for an individual with a physical disability.
One of the earliest recorded instances of the name Giampa can be found in a 13th-century document from the town of Messina, Sicily, where it appears as "Giamppa." Over time, the spelling evolved to its current form, Giampa. The name was also present in other parts of southern Italy, including the regions of Calabria and Campania.
In the 15th century, records show a prominent Giampa family residing in the town of Reggio Calabria, located in the region of Calabria. One notable member of this family was Giovanni Giampa, a respected lawyer and jurist who lived between 1420 and 1498. His legal expertise and contributions to the local community earned him recognition during his lifetime.
Another distinguished individual bearing the Giampa surname was Antonio Giampa, a 16th-century philosopher and theologian from Sicily. Born in Messina around 1525, he studied at the University of Padua and later taught at various institutions across Italy. His works on metaphysics and religious philosophy were widely circulated and influential in their time.
In the 17th century, the Giampa name appeared in the town of Acri, located in the province of Cosenza, Calabria. One notable figure from this period was Domenico Giampa, a skilled architect who designed several churches and public buildings in the region. His most renowned work is the Church of San Nicola in Acri, completed in 1671, which showcases his expertise in Baroque architecture.
Moving into the 18th century, the Giampa family had established a presence in the city of Naples, where they were involved in various trades and professions. One prominent member was Francesco Giampa, a successful merchant and landowner who lived from 1725 to 1802. He was known for his philanthropic efforts and contributions to the local community.
While the Giampa surname has a rich history in Italy, particularly in the southern regions, it has also spread to other parts of the world due to immigration. However, this report focuses solely on the historical origins and notable figures associated with the surname within Italy, without delving into modern census data or its use as a first or given name.
Demographics
Ancestry and ethnicity for Giampa
Among Census respondents with the surname Giampa, the largest self-reported group is White at 94.0%. The next largest groups are Hispanic (3.9%) and Black (1.3%).
The bar chart below shows how Giampa 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 Giampa surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.0% · 436
- Hispanic or Latino3.9% · 18
- Black or African American1.3% · 6
- Asian and Pacific Islander0.4% · 2
- Two or more races0.4% · 2
Timeline
Historical Census data for Giampa
Giampa 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
#44,109
National surname rank
Recorded bearers 488
+4 bearers (+0.8%)
Per 100,000 0.17
Rank movement Down 1,892 places
2020
#49,062
National surname rank
Recorded bearers 464
-24 bearers (-4.9%)
Per 100,000 0.16
Rank movement Down 4,953 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #42,217 | 484 | 0.18 | First available Census row | First available Census row |
| 2010 | #44,109 | 488 | 0.17 | +4 bearers (+0.8%) | Down 1,892 places |
| 2020 | #49,062 | 464 | 0.16 | -24 bearers (-4.9%) | Down 4,953 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 Giampa 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 | #44,109 | #49,062 | -11.2% |
| Count | 488 | 464 | -4.9% |
| Per 100K | 0.17 | 0.16 | -8.7% |
Between the 2010 and 2020 Census, the number of Giampa bearers went from 488 to 464 (-4.9% change). The surname moved down 4,953 positions in the national ranking, going from #44,109 to #49,062.
FAQ
Giampa surname: questions and answers
How many people in the U.S. have the surname Giampa?
Name Census estimates that about 532 living Americans carry the surname Giampa. Using the current population baseline, that works out to roughly 1 in 644,275 residents.
How common is Giampa?
Giampa ranks #49,062 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.16 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 464 people with the surname Giampa. That is different from the site's living-bearer estimate (532), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.16 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.16 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 Giampa.
Has Giampa become more or less common over time?
Between 2010 and 2020, the surname Giampa went from 488 recorded bearers to 464. That is a decrease of 24 (-4.9%). In the national ranking it fell from #44,109 to #49,062.
What does the Census say about the background of Giampa?
Among Census respondents with the surname Giampa, the largest self-reported group is White at 94.0%. The next largest groups are Hispanic (3.9%) and Black (1.3%). 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 Giampa in the 2020 Census, accounting for 94.0% (436 people in the source table).
What is the full ancestry breakdown?
Giampa appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.0%), Hispanic (3.9%), Black (1.3%). 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 Giampa (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 Giampa mean?
An Italian surname derived from the given name Giampietro or Gianbattista. 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 Giampa (0.16 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 common is the surname Giampa?
For a quick modern take, check how many people have the last name Giampa on our sister site HowManyOfMe.org.