2010
#150,452
National surname rank
First available Census row
A habitational surname deriving from the Italian town of Rivarolo.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Rivarola. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Rivarola 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Rivarola in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Rivarola, the largest self-reported group is Hispanic at 74.8%. The next largest groups are White (20.7%) and Two or More Races (2.7%).
Origin
The surname Rivarola has its origins in Italy, specifically in the northern region of Piedmont. It is believed to have emerged during the Middle Ages, possibly around the 12th or 13th century. The name is derived from the Italian word "riviera," which means "coastline" or "shore," and the diminutive suffix "-ola," suggesting a connection to a small riverbank or coastal area.
One of the earliest records of the Rivarola name can be found in a historical document from the year 1271, which mentions a family with this surname residing in the town of Casale Monferrato, located in the province of Alessandria, Piedmont. The name is thought to have been associated with individuals who lived near a river or coastal region, perhaps indicating their occupation or place of origin.
In the 14th century, a notable figure named Giovanni Rivarola (c. 1320-1390) was a prominent lawyer and jurist from the city of Piacenza, located in the Emilia-Romagna region of northern Italy. His legal expertise and writings on civil law earned him recognition during his lifetime.
Another prominent individual with the Rivarola surname was Domenico Rivarola (1575-1638), a renowned architect and sculptor from Genoa, Italy. He was commissioned to design several significant buildings and structures in his native city, including the Palazzo Rosso and the church of San Siro.
In the 18th century, Gian Francesco Rivarola (1711-1785) was a celebrated painter and engraver from Turin, Piedmont. His works, which included portraiture and religious scenes, were highly regarded and can be found in various art collections and churches throughout Italy.
Pietro Rivarola (1837-1907) was a prominent Italian politician and statesman who served as the Prime Minister of Italy from 1888 to 1891. He played a significant role in shaping the country's domestic and foreign policies during his tenure.
Throughout its history, the Rivarola surname has been associated with various professions, including law, architecture, art, and politics, reflecting the diverse backgrounds and accomplishments of individuals bearing this name.
Demographics
Among Census respondents with the surname Rivarola, the largest self-reported group is Hispanic at 74.8%. The next largest groups are White (20.7%) and Two or More Races (2.7%).
The bar chart below shows how Rivarola 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 Rivarola surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Rivarola appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
National surname rank
First available Census row
2020
National surname rank
+2 bearers (+1.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #150,452 | 109 | 0.04 | First available Census row | First available Census row |
| 2020 | #148,665 | 111 | 0.04 | +2 bearers (+1.8%) | Up 1,787 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 Rivarola 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 | #150,452 | #148,665 | 1.2% |
| Count | 109 | 111 | 1.8% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Rivarola bearers went from 109 to 111 (+1.8% change). The surname moved up 1,787 positions in the national ranking, going from #150,452 to #148,665.
FAQ
Name Census estimates that about 127 living Americans carry the surname Rivarola. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
Rivarola ranks #148,665 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 111 people with the surname Rivarola. That is different from the site's living-bearer estimate (127), 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 Rivarola.
Between 2010 and 2020, the surname Rivarola went from 109 recorded bearers to 111. That is an increase of 2 (+1.8%). In the national ranking it rose from #150,452 to #148,665.
Among Census respondents with the surname Rivarola, the largest self-reported group is Hispanic at 74.8%. The next largest groups are White (20.7%) and Two or More Races (2.7%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Hispanic is the largest self-reported group for the surname Rivarola in the 2020 Census, accounting for 74.8% (83 people in the source table).
Rivarola appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (74.8%), White (20.7%), Two or More Races (2.7%). 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 Rivarola (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.
A habitational surname deriving from the Italian town of Rivarolo. 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 Rivarola (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.