2000
#110,523
National surname rank
Recorded bearers 148
First available Census row
Per 100,000 0.05
Very Rare Last name
Delucco
An Italian surname derived from the place name Lucco.
According to the 2020 US Census Bureau surname tables, roughly 136 Americans carry the last name Delucco. That puts it at #142,788 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,520,252 residents).
This page is the full Name Census profile for the Delucco 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
136
1 in 2,520,252
Census rank
#142,788
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
119
very rare in the US
Popularity narrative
The Census Bureau recorded 119 bearers of the surname Delucco in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 142788th position in the national surname ranking.
Among Census respondents with the surname Delucco, the largest self-reported group is White at 86.6%. The next largest groups are Hispanic (7.6%) and Black (2.5%).
Origin
Meaning and origin of Delucco
The surname DELUCCO is of Italian origin, traced back to the regions of Lombardy and Veneto in the late 15th century. It is believed to be derived from the Latin word "lucus," meaning a sacred grove or wood, suggesting that the name may have been initially associated with individuals who resided near or worked in forested areas.
One of the earliest recorded mentions of the DELUCCO surname can be found in the Venetian archives from the late 1400s, where it appears as "De Lucco." This spelling variation indicates that the name may have evolved from a place name or a locational surname, referring to a specific town or village where the family originated.
During the Renaissance period, a notable figure bearing the DELUCCO surname was Giovanni Battista Delucco (1501-1572), a renowned painter from Genoa. His works can still be admired in various churches and museums across Italy, showcasing the artistic talents of the DELUCCO family during that era.
In the 17th century, the DELUCCO name gained prominence in the literary world with the birth of Antonio Delucco (1621-1690), an Italian poet and playwright. His works were celebrated for their wit and satire, contributing to the cultural landscape of his time.
Moving into the 18th century, the DELUCCO lineage produced another noteworthy figure, Francesco Delucco (1738-1819), a highly respected jurist and legal scholar. His influential treatises on civil law and jurisprudence left a lasting impact on the Italian legal system.
As the DELUCCO family spread across various regions of Italy, they left their mark in different professions and fields. One such individual was Luigi Delucco (1876-1944), a prominent architect whose designs graced the cityscape of Milan, showcasing the family's artistic and creative talents.
Throughout its history, the DELUCCO surname has been documented in various official records, such as birth, marriage, and death registries, as well as in local church archives and municipal documents. While the name may have undergone slight spelling variations over time, its distinct Italian roots and rich heritage have remained intact.
Demographics
Ancestry and ethnicity for Delucco
Among Census respondents with the surname Delucco, the largest self-reported group is White at 86.6%. The next largest groups are Hispanic (7.6%) and Black (2.5%).
The bar chart below shows how Delucco 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 Delucco surname at the time of the 2020 Census, not any inherent property of the name itself.
- White86.6% · 103
- Hispanic or Latino7.6% · 9
- Black or African American2.5% · 3
- Two or more races1.7% · 2
- Asian and Pacific Islander0.8% · 1
- American Indian and Alaska Native0.8% · 1
Timeline
Historical Census data for Delucco
Delucco 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
#149,395
National surname rank
Recorded bearers 110
-38 bearers (-25.7%)
Per 100,000 0.04
Rank movement Down 38,872 places
2020
#142,788
National surname rank
Recorded bearers 119
+9 bearers (+8.2%)
Per 100,000 0.04
Rank movement Up 6,607 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 | #149,395 | 110 | 0.04 | -38 bearers (-25.7%) | Down 38,872 places |
| 2020 | #142,788 | 119 | 0.04 | +9 bearers (+8.2%) | Up 6,607 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 Delucco 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 | #149,395 | #142,788 | 4.4% |
| Count | 110 | 119 | 8.2% |
| Per 100K | 0.04 | 0.04 | -0.5% |
Between the 2010 and 2020 Census, the number of Delucco bearers went from 110 to 119 (+8.2% change). The surname moved up 6,607 positions in the national ranking, going from #149,395 to #142,788.
FAQ
Delucco surname: questions and answers
How many people in the U.S. have the surname Delucco?
Name Census estimates that about 136 living Americans carry the surname Delucco. Using the current population baseline, that works out to roughly 1 in 2,520,252 residents.
How common is Delucco?
Delucco ranks #142,788 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 119 people with the surname Delucco. That is different from the site's living-bearer estimate (136), 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 Delucco.
Has Delucco become more or less common over time?
Between 2010 and 2020, the surname Delucco went from 110 recorded bearers to 119. That is an increase of 9 (+8.2%). In the national ranking it rose from #149,395 to #142,788.
What does the Census say about the background of Delucco?
Among Census respondents with the surname Delucco, the largest self-reported group is White at 86.6%. The next largest groups are Hispanic (7.6%) and Black (2.5%). 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 Delucco in the 2020 Census, accounting for 86.6% (103 people in the source table).
What is the full ancestry breakdown?
Delucco appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (86.6%), Hispanic (7.6%), Black (2.5%). 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 Delucco (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 Delucco mean?
An Italian surname derived from the place name Lucco. 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 Delucco (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 common is the surname Delucco?
If you just want to know how many people have the surname Delucco, HowManyOfMe.org gives you the headline number in one glance.