2010
#151,532
National surname rank
First available Census row
A Greek surname referring to someone from the town of Koutsogiannis.
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Koutsogiannis. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Koutsogiannis 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Koutsogiannis in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Koutsogiannis, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (8.4%) and Two or More Races (0.9%).
Origin
The surname KOUTSOGIANNIS is of Greek origin, with its roots traced back to medieval Greece, specifically the regions of Macedonia and Thrace. The name is believed to have derived from the Greek word "koutsos," which means "lame" or "limping," combined with the common Greek suffix "-giannis," a variation of the name "Ioannis" or "John."
In the 14th century, the name KOUTSOGIANNIS appeared in historical records and manuscripts, indicating its presence during the Byzantine era. One notable mention was found in a registry of landowners in the Macedonian region, where a certain "Koutsogiannis Petrou" was listed as a prominent landholder.
The earliest recorded instance of the name dates back to the late 15th century, when a monk named Koutsogiannis Papadopoulos was documented as residing in the Monastery of Vatopedi on Mount Athos, a renowned monastic community in northern Greece. This suggests that the name may have been associated with religious or scholarly circles during that time.
Throughout the centuries, several individuals with the surname KOUTSOGIANNIS have left their mark in various fields. In the 18th century, Dimitrios Koutsogiannis (1720-1798) was a renowned Greek scholar and philosopher, known for his contributions to the field of ethics and his influential teachings at the Patriarchal School in Constantinople (modern-day Istanbul).
During the Greek War of Independence (1821-1832), Ioannis Koutsogiannis (1795-1865) was a notable military commander who led a group of Greek revolutionaries against the Ottoman forces. His bravery and strategic prowess were celebrated, and he played a crucial role in several key battles that led to Greece's eventual independence.
In the late 19th century, Eleni Koutsogiannis (1860-1932) was a pioneering Greek educator who established one of the first schools for girls in the city of Thessaloniki. Her commitment to promoting education for women was widely recognized, and she inspired generations of young Greek women to pursue their academic aspirations.
Another prominent figure was Alexandros Koutsogiannis (1885-1964), a renowned Greek architect who designed numerous iconic buildings and structures throughout Greece, including the Athens Conservatory and the National Bank of Greece headquarters in Thessaloniki. His works are considered masterpieces of neoclassical and Art Deco architecture.
In the 20th century, Nikos Koutsogiannis (1920-1995) was a celebrated Greek poet and writer, known for his poignant works that explored themes of love, loss, and the human condition. His poetry collections, such as "Echoes from the Depths" and "Whispers of the Soul," received critical acclaim and solidified his place in the canon of modern Greek literature.
The surname KOUTSOGIANNIS has a rich historical lineage, spanning centuries and encompassing individuals who have made significant contributions to various fields, including education, military service, architecture, literature, and academia. Its roots can be traced back to the heart of medieval Greece, where it emerged as a distinct and enduring name, carrying the weight of its origins while adapting to the changing times.
Demographics
Among Census respondents with the surname Koutsogiannis, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (8.4%) and Two or More Races (0.9%).
The bar chart below shows how Koutsogiannis 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 Koutsogiannis surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Koutsogiannis 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
-1 bearers (-0.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #151,532 | 108 | 0.04 | First available Census row | First available Census row |
| 2020 | #151,639 | 107 | 0.04 | -1 bearers (-0.9%) | Down 107 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 Koutsogiannis 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 | #151,532 | #151,639 | -0.1% |
| Count | 108 | 107 | -0.9% |
| Per 100K | 0.04 | 0.04 | -10.5% |
Between the 2010 and 2020 Census, the number of Koutsogiannis bearers went from 108 to 107 (-0.9% change). The surname moved down 107 positions in the national ranking, going from #151,532 to #151,639.
FAQ
Name Census estimates that about 123 living Americans carry the surname Koutsogiannis. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
Koutsogiannis ranks #151,639 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 107 people with the surname Koutsogiannis. That is different from the site's living-bearer estimate (123), 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 Koutsogiannis.
Between 2010 and 2020, the surname Koutsogiannis went from 108 recorded bearers to 107. That is a decrease of 1 (-0.9%). In the national ranking it fell from #151,532 to #151,639.
Among Census respondents with the surname Koutsogiannis, the largest self-reported group is White at 90.7%. The next largest groups are Hispanic (8.4%) and Two or More Races (0.9%). 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 Koutsogiannis in the 2020 Census, accounting for 90.7% (97 people in the source table).
Koutsogiannis appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.7%), Hispanic (8.4%), Two or More Races (0.9%). 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 Koutsogiannis (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 Greek surname referring to someone from the town of Koutsogiannis. 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 Koutsogiannis (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.