2000
#144,908
National surname rank
Recorded bearers 105
First available Census row
Per 100,000 0.04
Very Rare Last name
Runci
A surname likely derived from the Italian word "ronco" meaning a cultivated field or farmland.
According to the 2020 US Census Bureau surname tables, roughly 118 Americans carry the last name Runci. That puts it at #154,182 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,904,698 residents).
This page is the full Name Census profile for the Runci 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
118
1 in 2,904,698
Census rank
#154,182
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
103
very rare in the US
Popularity narrative
The Census Bureau recorded 103 bearers of the surname Runci in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 154182nd position in the national surname ranking.
Among Census respondents with the surname Runci, the largest self-reported group is White at 96.1%. The next largest groups are American Indian/Alaska Native (1.9%) and Asian/Pacific Islander (1.0%).
Origin
Meaning and origin of Runci
The surname Runci is of Italian origin, tracing its roots back to the medieval period. It is believed to have originated in the regions of Tuscany and Umbria, where the name was first recorded in various documents and records from the 13th and 14th centuries.
The name Runci is derived from the Italian word "ronco," which means a small field or cultivated plot of land. This suggests that the surname may have been initially associated with individuals who worked as farmers or landowners in these regions.
One of the earliest known references to the name Runci can be found in the "Codice Diplomatico Aretino," a collection of historical documents from the city of Arezzo, dating back to the year 1260. This document mentions a certain "Ugolino Runci," who was a landowner in the area.
Another notable historical figure bearing the surname Runci was Giovanni Runci, a renowned Italian painter and architect who lived in the 15th century (1423-1491). He was known for his contributions to the Renaissance art movement and worked on several important architectural projects, including the Palazzo Runci in Siena.
In the 16th century, a prominent family by the name of Runci settled in the town of Montepulciano, located in the province of Siena. This family played a significant role in the local politics and governance of the region. One member, Galeazzo Runci (1530-1606), served as the mayor of Montepulciano during his lifetime.
The surname Runci can also be traced back to the town of Foligno in the province of Perugia, where it was documented in various historical records from the 14th and 15th centuries. One notable individual from this area was Niccolò Runci (1460-1522), a scholar and philosopher who taught at the University of Perugia.
Another prominent figure with the surname Runci was Ludovico Runci (1671-1737), an Italian painter and artist who was born in Rome. He is known for his religious and mythological works, which adorned several churches and palaces throughout Italy.
While the surname Runci is not as common today as it once was, it remains a part of Italy's rich cultural heritage, with its origins rooted in the medieval agricultural traditions and the artistic and scholarly achievements of its bearers throughout the centuries.
Demographics
Ancestry and ethnicity for Runci
Among Census respondents with the surname Runci, the largest self-reported group is White at 96.1%. The next largest groups are American Indian/Alaska Native (1.9%) and Asian/Pacific Islander (1.0%).
The bar chart below shows how Runci 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 Runci surname at the time of the 2020 Census, not any inherent property of the name itself.
- White96.1% · 99
- American Indian and Alaska Native1.9% · 2
- Asian and Pacific Islander1.0% · 1
- Two or more races1.0% · 1
Timeline
Historical Census data for Runci
Runci 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
#150,452
National surname rank
Recorded bearers 109
+4 bearers (+3.8%)
Per 100,000 0.04
Rank movement Down 5,544 places
2020
#154,182
National surname rank
Recorded bearers 103
-6 bearers (-5.5%)
Per 100,000 0.03
Rank movement Down 3,730 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #144,908 | 105 | 0.04 | First available Census row | First available Census row |
| 2010 | #150,452 | 109 | 0.04 | +4 bearers (+3.8%) | Down 5,544 places |
| 2020 | #154,182 | 103 | 0.03 | -6 bearers (-5.5%) | Down 3,730 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 Runci 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 | #150,452 | #154,182 | -2.5% |
| Count | 109 | 103 | -5.5% |
| Per 100K | 0.04 | 0.03 | -13.9% |
Between the 2010 and 2020 Census, the number of Runci bearers went from 109 to 103 (-5.5% change). The surname moved down 3,730 positions in the national ranking, going from #150,452 to #154,182.
FAQ
Runci surname: questions and answers
How many people in the U.S. have the surname Runci?
Name Census estimates that about 118 living Americans carry the surname Runci. Using the current population baseline, that works out to roughly 1 in 2,904,698 residents.
How common is Runci?
Runci ranks #154,182 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 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 103 people with the surname Runci. That is different from the site's living-bearer estimate (118), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.03 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.03 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 Runci.
Has Runci become more or less common over time?
Between 2010 and 2020, the surname Runci went from 109 recorded bearers to 103. That is a decrease of 6 (-5.5%). In the national ranking it fell from #150,452 to #154,182.
What does the Census say about the background of Runci?
Among Census respondents with the surname Runci, the largest self-reported group is White at 96.1%. The next largest groups are American Indian/Alaska Native (1.9%) and Asian/Pacific Islander (1.0%). 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 Runci in the 2020 Census, accounting for 96.1% (99 people in the source table).
What is the full ancestry breakdown?
Runci appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.1%), American Indian/Alaska Native (1.9%), Asian/Pacific Islander (1.0%). 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 Runci (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 Runci mean?
A surname likely derived from the Italian word "ronco" meaning a cultivated field or farmland. 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 Runci (0.03 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 are called Runci?
Want to know how many people are called Runci? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.