2000
#110,523
National surname rank
Recorded bearers 148
First available Census row
Per 100,000 0.05
Very Rare Last name
Ercolini
Of Italian origin, a locative surname referring to someone from a location named Ercolino or Erculano.
According to the 2020 US Census Bureau surname tables, roughly 155 Americans carry the last name Ercolini. That puts it at #131,120 in the national surname ranking, appearing at a frequency of 0.05 per 100,000 people (about 1 in 2,211,318 residents).
This page is the full Name Census profile for the Ercolini 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
155
1 in 2,211,318
Census rank
#131,120
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
135
very rare in the US
Popularity narrative
The Census Bureau recorded 135 bearers of the surname Ercolini in its 2020 decennial surname file. At a rate of 0.05 per 100,000 residents, it holds the 131120th position in the national surname ranking.
Among Census respondents with the surname Ercolini, the largest self-reported group is White at 89.6%. The next largest groups are Hispanic (10.4%).
Origin
Meaning and origin of Ercolini
The surname Ercolini is of Italian origin, specifically from the region of Lazio in central Italy, dating back to the medieval period. The name is derived from the Italian form of the Roman mythological figure Hercules, "Ercole," and the suffix "-ini" indicates a patronymic or familial lineage.
One of the earliest recorded instances of the name Ercolini can be found in the "Codice Diplomatico Longobardo," a collection of historical documents from the Lombard period in Italy, dating back to the 8th century. This suggests that the name has been present in the region for over a millennium.
In the 14th century, a notable figure named Giovanni Ercolini was a renowned scholar and philosopher who taught at the University of Bologna. He authored several treatises on logic and metaphysics, leaving a lasting impact on the intellectual circles of his time.
During the Renaissance period, the name Ercolini gained prominence with the artists and sculptors from the family. Girolamo Ercolini (1508-1573) was a skilled painter who worked in the Mannerist style, contributing to the decoration of churches and palaces in Rome and its surrounding areas.
In the 18th century, the Ercolini family established itself as influential landowners and noblemen in the Lazio region. Francesco Ercolini (1718-1792) was a prominent figure in the papal court and served as a diplomat for the Papal States, representing their interests across Europe.
The name Ercolini has also been associated with several small towns and villages in the Lazio region, such as Ercolino and Ercolano, which may have derived their names from the family or vice versa, reflecting the deep roots of the surname in the area.
Other notable individuals with the surname Ercolini include Antonio Ercolini (1880-1958), an Italian composer and music educator who contributed to the revival of traditional folk music in the early 20th century, and Gianfranco Ercolini (born 1962), a contemporary Italian artist known for his abstract expressionist paintings and installations.
While the surname Ercolini is primarily concentrated in Italy, it has also spread to other parts of the world through migration and diaspora, carrying with it the rich cultural heritage and historical significance of its Italian origins.
Demographics
Ancestry and ethnicity for Ercolini
Among Census respondents with the surname Ercolini, the largest self-reported group is White at 89.6%. The next largest groups are Hispanic (10.4%).
The bar chart below shows how Ercolini 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 Ercolini surname at the time of the 2020 Census, not any inherent property of the name itself.
- White89.6% · 121
- Hispanic or Latino10.4% · 14
Timeline
Historical Census data for Ercolini
Ercolini 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
#120,901
National surname rank
Recorded bearers 143
-5 bearers (-3.4%)
Per 100,000 0.05
Rank movement Down 10,378 places
2020
#131,120
National surname rank
Recorded bearers 135
-8 bearers (-5.6%)
Per 100,000 0.05
Rank movement Down 10,219 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #110,523 | 148 | 0.05 | First available Census row | First available Census row |
| 2010 | #120,901 | 143 | 0.05 | -5 bearers (-3.4%) | Down 10,378 places |
| 2020 | #131,120 | 135 | 0.05 | -8 bearers (-5.6%) | Down 10,219 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 Ercolini 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 | #120,901 | #131,120 | -8.5% |
| Count | 143 | 135 | -5.6% |
| Per 100K | 0.05 | 0.05 | -9.7% |
Between the 2010 and 2020 Census, the number of Ercolini bearers went from 143 to 135 (-5.6% change). The surname moved down 10,219 positions in the national ranking, going from #120,901 to #131,120.
FAQ
Ercolini surname: questions and answers
How many people in the U.S. have the surname Ercolini?
Name Census estimates that about 155 living Americans carry the surname Ercolini. Using the current population baseline, that works out to roughly 1 in 2,211,318 residents.
How common is Ercolini?
Ercolini ranks #131,120 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.05 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 135 people with the surname Ercolini. That is different from the site's living-bearer estimate (155), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.05 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.05 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 Ercolini.
Has Ercolini become more or less common over time?
Between 2010 and 2020, the surname Ercolini went from 143 recorded bearers to 135. That is a decrease of 8 (-5.6%). In the national ranking it fell from #120,901 to #131,120.
What does the Census say about the background of Ercolini?
Among Census respondents with the surname Ercolini, the largest self-reported group is White at 89.6%. The next largest groups are Hispanic (10.4%). 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 Ercolini in the 2020 Census, accounting for 89.6% (121 people in the source table).
What is the full ancestry breakdown?
Ercolini appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.6%), Hispanic (10.4%). 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 Ercolini (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 Ercolini mean?
Of Italian origin, a locative surname referring to someone from a location named Ercolino or Erculano. 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 Ercolini (0.05 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 have the last name Ercolini?
See how common the surname Ercolini is on HowManyOfMe.org, our sister site built around that single question.