2000
#11,444
National surname rank
Recorded bearers 2,526
First available Census row
Per 100,000 0.94
Rare Last name
Seto
A Japanese surname meaning "瀬戸," which refers to a strait or channel.
According to the 2020 US Census Bureau surname tables, roughly 3,055 Americans carry the last name Seto. That puts it at #11,326 in the national surname ranking, appearing at a frequency of 0.89 per 100,000 people (about 1 in 112,195 residents).
This page is the full Name Census profile for the Seto 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
3.1K
1 in 112,195
Census rank
#11,326
2020 decennial data
Per 100,000
0.9
Frequency rate
Recorded bearers
2.7K
rare in the US
Popularity narrative
The Census Bureau recorded 2,664 bearers of the surname Seto in its 2020 decennial surname file. At a rate of 0.89 per 100,000 residents, it holds the 11326th position in the national surname ranking.
Among Census respondents with the surname Seto, the largest self-reported group is Asian/Pacific Islander at 77.0%. The next largest groups are Two or More Races (10.5%) and White (7.4%).
Origin
Meaning and origin of Seto
The surname Seto is believed to have originated in Japan, where it has been in use for centuries. The name is thought to derive from the Japanese word "se," meaning "swift," and "to," meaning "wand" or "baton." Thus, Seto may have initially referred to someone skilled in wielding a staff or baton, perhaps as part of a martial art or traditional performance.
One of the earliest recorded references to the name Seto can be found in the Kamakura period (1185-1333) records of a samurai family from the Seto region of present-day Aichi Prefecture. This suggests that the name may have originated as a locational surname, referring to those hailing from the Seto area.
During the Edo period (1603-1868), the Seto surname gained prominence through the work of Seto Riku (1604-1680), a renowned potter and founder of the Seto ceramic tradition. His innovative glazing techniques and distinctive styles helped establish Seto as a major center of pottery production in Japan.
Another notable figure was Seto Shozaburo (1672-1733), a skilled swordsmith from Kyoto who contributed to the development of the distinctive Japanese sword known as the katana. His works were highly prized by samurai warriors during the Edo period.
In the realm of literature, Seto Naiwaku (1787-1853) was a prominent scholar and poet of the late Edo period, known for his contributions to the study of classical Japanese literature and his own poetic works.
Moving into the modern era, Seto Hiroshi (1892-1961) was a celebrated architect renowned for his innovative designs that blended traditional Japanese elements with modern aesthetics. His works, including the Tokyo Prince Hotel and the Hiroshima Peace Memorial Museum, left a lasting impact on Japanese architecture.
While the Seto surname originated in Japan, it has since spread to other parts of the world through immigration and cultural exchange. However, its roots and historical significance remain deeply tied to Japanese culture and tradition.
Demographics
Ancestry and ethnicity for Seto
Among Census respondents with the surname Seto, the largest self-reported group is Asian/Pacific Islander at 77.0%. The next largest groups are Two or More Races (10.5%) and White (7.4%).
The bar chart below shows how Seto 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 Seto surname at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander77.0% · 2,052
- Two or more races10.5% · 280
- White7.4% · 196
- Hispanic or Latino4.4% · 117
- Black or African American0.7% · 18
- American Indian and Alaska Native0.0% · 1
Timeline
Historical Census data for Seto
Seto 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
#11,229
National surname rank
Recorded bearers 2,814
+288 bearers (+11.4%)
Per 100,000 0.95
Rank movement Up 215 places
2020
#11,326
National surname rank
Recorded bearers 2,664
-150 bearers (-5.3%)
Per 100,000 0.89
Rank movement Down 97 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #11,444 | 2,526 | 0.94 | First available Census row | First available Census row |
| 2010 | #11,229 | 2,814 | 0.95 | +288 bearers (+11.4%) | Up 215 places |
| 2020 | #11,326 | 2,664 | 0.89 | -150 bearers (-5.3%) | Down 97 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 Seto 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 | #11,229 | #11,326 | -0.9% |
| Count | 2,814 | 2,664 | -5.3% |
| Per 100K | 0.95 | 0.89 | -6.2% |
Between the 2010 and 2020 Census, the number of Seto bearers went from 2,814 to 2,664 (-5.3% change). The surname moved down 97 positions in the national ranking, going from #11,229 to #11,326.
FAQ
Seto surname: questions and answers
How many people in the U.S. have the surname Seto?
Name Census estimates that about 3,055 living Americans carry the surname Seto. Using the current population baseline, that works out to roughly 1 in 112,195 residents.
How common is Seto?
Seto ranks #11,326 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.89 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 2,664 people with the surname Seto. That is different from the site's living-bearer estimate (3,055), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.89 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.89 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Seto.
Has Seto become more or less common over time?
Between 2010 and 2020, the surname Seto went from 2,814 recorded bearers to 2,664. That is a decrease of 150 (-5.3%). In the national ranking it fell from #11,229 to #11,326.
What does the Census say about the background of Seto?
Among Census respondents with the surname Seto, the largest self-reported group is Asian/Pacific Islander at 77.0%. The next largest groups are Two or More Races (10.5%) and White (7.4%). 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?
Asian/Pacific Islander is the largest self-reported group for the surname Seto in the 2020 Census, accounting for 77.0% (2,052 people in the source table).
What is the full ancestry breakdown?
Seto appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (77.0%), Two or More Races (10.5%), White (7.4%). 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 Seto (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 Seto mean?
A Japanese surname meaning "瀬戸," which refers to a strait or channel. 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 Seto (0.89 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 Seto?
If you just want to know how many Americans have the surname Seto, HowManyOfMe.org gives you the headline number in one glance.