2010
#159,712
National surname rank
First available Census row
Italian surname derived from the Roman personal name Jovius, which originally referred to an individual born under the astrological sign of Jupiter.
According to the 2020 US Census Bureau surname tables, roughly 120 Americans carry the last name Iovieno. That puts it at #152,989 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,856,286 residents).
This page is the full Name Census profile for the Iovieno 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
120
1 in 2,856,286
Census rank
#152,989
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
105
very rare in the US
Popularity narrative
The Census Bureau recorded 105 bearers of the surname Iovieno in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 152989th position in the national surname ranking.
Among Census respondents with the surname Iovieno, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (2.9%).
Origin
The surname IOVIENO has its roots in Italy, specifically in the region of Campania. It is believed to have originated in the late medieval period, around the 13th or 14th century. The name is thought to be derived from the Latin word "Iovis," which means "Jupiter," the supreme deity in Roman mythology. This suggests that the surname may have been initially given to someone who was associated with the worship or reverence of Jupiter.
One of the earliest recorded mentions of the surname IOVIENO can be found in the archives of the city of Naples, dating back to the late 15th century. These records document a family named IOVIENO residing in the city during that time period. It is possible that the name may have been present in other regions of Campania or even in neighboring areas of southern Italy, but these records provide a clear historical reference point.
In the 16th century, a notable figure with the surname IOVIENO was Antonio IOVIENO, a scholar and humanist who lived in Naples between 1501 and 1569. He was known for his contributions to the study of classical literature and his involvement in the intellectual circles of his time. Another individual with this surname was Giovan Battista IOVIENO, a painter who lived in the late 16th and early 17th centuries. He was renowned for his religious works and frescoes, many of which can still be found in churches throughout Naples and the surrounding areas.
During the 17th century, the IOVIENO family seemed to have established a presence in the nearby region of Basilicata. Historical records from this period mention a certain Domenico IOVIENO, born in 1632, who was a prominent landowner and agricultural businessman in the town of Potenza. Another individual of note was Francesco IOVIENO, born in 1671, who served as a magistrate and legal scholar in the city of Matera.
In the 18th century, the name IOVIENO continued to be associated with various professions and occupations. For example, there was a renowned sculptor named Gennaro IOVIENO, born in Naples in 1721, whose works can be found in several churches and museums across Italy. Additionally, historical records mention a military officer named Antonio IOVIENO, born in Avellino in 1789, who fought in the Napoleonic Wars and later became a colonel in the Bourbon army.
Throughout the centuries, the surname IOVIENO has been spelled in various ways, such as IOVINELLO, IOVINE, and IOVINO, reflecting the regional dialects and variations in pronunciation. While the name has its strongest historical ties to the regions of Campania and Basilicata, it is likely that individuals bearing this surname have migrated to other parts of Italy and even abroad over time.
Demographics
Among Census respondents with the surname Iovieno, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (2.9%).
The bar chart below shows how Iovieno 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 Iovieno surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Iovieno 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
+4 bearers (+4.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #159,712 | 101 | 0.03 | First available Census row | First available Census row |
| 2020 | #152,989 | 105 | 0.04 | +4 bearers (+4.0%) | Up 6,723 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 Iovieno 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 | #159,712 | #152,989 | 4.2% |
| Count | 101 | 105 | 4.0% |
| Per 100K | 0.03 | 0.04 | 17.1% |
Between the 2010 and 2020 Census, the number of Iovieno bearers went from 101 to 105 (+4.0% change). The surname moved up 6,723 positions in the national ranking, going from #159,712 to #152,989.
FAQ
Name Census estimates that about 120 living Americans carry the surname Iovieno. Using the current population baseline, that works out to roughly 1 in 2,856,286 residents.
Iovieno ranks #152,989 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 105 people with the surname Iovieno. That is different from the site's living-bearer estimate (120), 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 Iovieno.
Between 2010 and 2020, the surname Iovieno went from 101 recorded bearers to 105. That is an increase of 4 (+4.0%). In the national ranking it rose from #159,712 to #152,989.
Among Census respondents with the surname Iovieno, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (2.9%). 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 Iovieno in the 2020 Census, accounting for 89.5% (94 people in the source table).
Iovieno appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.5%), Two or More Races (4.8%), American Indian/Alaska Native (2.9%). 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 Iovieno (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.
Italian surname derived from the Roman personal name Jovius, which originally referred to an individual born under the astrological sign of Jupiter. 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 Iovieno (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.
See how many people have the last name Iovieno on HowManyOfMe.org, our sister site built around that single question.