2000
#136,783
National surname rank
First available Census row
An Italian surname likely derived from the Slavic ethnonym, indicating ancestral links to Slavic people or places.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Slaviero. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Slaviero 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
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Slaviero in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Slaviero, the largest self-reported group is White at 88.6%. The next largest groups are Hispanic (6.1%) and Two or More Races (5.3%).
Origin
The surname Slaviero originates from the Veneto region of northeastern Italy, with its roots traced back to the medieval period. The name is believed to be derived from the Italian word "schiaviero," meaning "slave dealer" or "slave trader." This connection suggests that the earliest bearers of this surname may have been involved in the slave trade, which was a common practice during that era.
One of the earliest recorded instances of the Slaviero name can be found in the Venetian archives from the 13th century. These documents mention a merchant named Giovanni Slaviero, who was engaged in maritime trade and may have dealt in the transportation of slaves across the Mediterranean.
In the 14th century, the name appeared in the historical records of the Republic of Venice, where a notable figure named Marco Slaviero served as a high-ranking official in the city's administrative council. Marco's descendant, Andrea Slaviero (1450-1521), was a renowned scholar and humanist who contributed to the intellectual and cultural life of Renaissance Venice.
During the 16th century, the Slaviero family gained prominence in the city of Verona, where they were involved in various commercial and political endeavors. One member of the family, Giacomo Slaviero (1520-1589), was a respected lawyer and judge who played a crucial role in the city's legal system.
The 17th century saw the rise of a prominent Slaviero family in the town of Vicenza. This branch of the family produced several notable figures, including Alessandro Slaviero (1630-1707), a celebrated architect who designed numerous churches and palaces in the Veneto region.
In the 18th century, the name Slaviero was associated with the aristocratic class in the city of Padua. One of the most influential members of this lineage was Count Giovanni Battista Slaviero (1735-1819), a wealthy landowner and patron of the arts who sponsored several artists and cultural events.
Throughout the centuries, the Slaviero surname has been recorded in various historical documents, ranging from municipal records to noble registers, further solidifying its Italian origins and rich heritage.
Demographics
Among Census respondents with the surname Slaviero, the largest self-reported group is White at 88.6%. The next largest groups are Hispanic (6.1%) and Two or More Races (5.3%).
The bar chart below shows how Slaviero 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 Slaviero surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Slaviero 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
+19 bearers (+16.8%)
2020
National surname rank
-18 bearers (-13.6%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #136,783 | 113 | 0.04 | First available Census row | First available Census row |
| 2010 | #129,047 | 132 | 0.04 | +19 bearers (+16.8%) | Up 7,736 places |
| 2020 | #146,495 | 114 | 0.04 | -18 bearers (-13.6%) | Down 17,448 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 Slaviero 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 | #129,047 | #146,495 | -13.5% |
| Count | 132 | 114 | -13.6% |
| Per 100K | 0.04 | 0.04 | -4.6% |
Between the 2010 and 2020 Census, the number of Slaviero bearers went from 132 to 114 (-13.6% change). The surname moved down 17,448 positions in the national ranking, going from #129,047 to #146,495.
FAQ
Name Census estimates that about 131 living Americans carry the surname Slaviero. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
Slaviero ranks #146,495 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 114 people with the surname Slaviero. That is different from the site's living-bearer estimate (131), 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 Slaviero.
Between 2010 and 2020, the surname Slaviero went from 132 recorded bearers to 114. That is a decrease of 18 (-13.6%). In the national ranking it fell from #129,047 to #146,495.
Among Census respondents with the surname Slaviero, the largest self-reported group is White at 88.6%. The next largest groups are Hispanic (6.1%) and Two or More Races (5.3%). 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 Slaviero in the 2020 Census, accounting for 88.6% (101 people in the source table).
Slaviero appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.6%), Hispanic (6.1%), Two or More Races (5.3%). 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.
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 Slaviero (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 likely derived from the Slavic ethnonym, indicating ancestral links to Slavic people or places. 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 Slaviero (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.
Our sister site HowManyOfMe.org answers how many people have the last name Slaviero at a glance, with the living-bearer count up front.