2000
#4,726
National surname rank
Recorded bearers 6,864
First available Census row
Per 100,000 2.54
Rare Last name
Sato
A Japanese surname meaning "help" or "assistance," or referring to someone living in a village.
According to the 2020 US Census Bureau surname tables, roughly 7,185 Americans carry the last name Sato. That puts it at #5,372 in the national surname ranking, appearing at a frequency of 2.10 per 100,000 people (about 1 in 47,704 residents).
This page is the full Name Census profile for the Sato 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.
For British records, Name Census UK has a British surname profile for Sato with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
7.2K
1 in 47,704
Census rank
#5,372
2020 decennial data
Per 100,000
2.1
Frequency rate
Recorded bearers
6.3K
rare in the US
Popularity narrative
The Census Bureau recorded 6,266 bearers of the surname Sato in its 2020 decennial surname file. At a rate of 2.10 per 100,000 residents, it holds the 5372nd position in the national surname ranking.
Among Census respondents with the surname Sato, the largest self-reported group is Asian/Pacific Islander at 76.1%. The next largest groups are Two or More Races (10.6%) and White (7.1%).
Origin
Meaning and origin of Sato
The surname SATO has its origins in Japan, dating back several centuries. It is believed to have emerged during the Heian period (794-1185) or the Kamakura period (1185-1333) and was likely derived from the Japanese word "sato," which refers to a village or a rural area.
One of the earliest recorded instances of the SATO surname can be found in the Kamakura Ibun, a collection of historical documents from the Kamakura period. This collection mentions several individuals with the SATO surname, indicating that the name was well-established by that time.
During the Edo period (1603-1868), the SATO surname became more widespread and was particularly prevalent in the Kanto and Tohoku regions of Japan. It was often associated with farming communities and rural areas, reflecting its origins.
Notable individuals with the SATO surname throughout history include Sato Nobuhiro (1769-1850), a prominent Japanese scholar and poet during the Edo period. Another notable figure was Sato Naotake (1590-1659), a samurai and daimyo (feudal lord) who served under the Tokugawa shogunate.
In the late 19th and early 20th centuries, several SATO individuals made significant contributions to Japanese culture and society. For example, Sato Haruo (1892-1964) was a renowned artist and printmaker known for his ukiyo-e woodblock prints, while Sato Eisaku (1901-1975) was a prominent politician who served as the Prime Minister of Japan from 1964 to 1972.
Other notable figures include Sato Naoki (1882-1950), a pioneering Japanese physicist and chemist best known for his work on X-ray crystallography, and Sato Koji (1944-1981), a Japanese mountaineer and author who was the first Japanese person to summit Mount Everest in 1975.
The SATO surname has also been associated with various place names in Japan, such as Sato-shima (an island in Kagoshima Prefecture), Sato-no-shima (an island in Niigata Prefecture), and Sato-no-kuni (an old province in present-day Shiga Prefecture).
While the SATO surname has its roots in rural Japan, it has since become widespread throughout the country and has been carried by individuals from various backgrounds and professions, reflecting the diverse and rich history of Japan.
Demographics
Ancestry and ethnicity for Sato
Among Census respondents with the surname Sato, the largest self-reported group is Asian/Pacific Islander at 76.1%. The next largest groups are Two or More Races (10.6%) and White (7.1%).
The bar chart below shows how Sato 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 Sato surname at the time of the 2020 Census, not any inherent property of the name itself.
- Asian and Pacific Islander76.1% · 4,771
- Two or more races10.6% · 665
- White7.1% · 442
- Hispanic or Latino5.4% · 338
- Black or African American0.6% · 40
- American Indian and Alaska Native0.2% · 10
Timeline
Historical Census data for Sato
Sato 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
#4,956
National surname rank
Recorded bearers 7,095
+231 bearers (+3.4%)
Per 100,000 2.41
Rank movement Down 230 places
2020
#5,372
National surname rank
Recorded bearers 6,266
-829 bearers (-11.7%)
Per 100,000 2.10
Rank movement Down 416 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #4,726 | 6,864 | 2.54 | First available Census row | First available Census row |
| 2010 | #4,956 | 7,095 | 2.41 | +231 bearers (+3.4%) | Down 230 places |
| 2020 | #5,372 | 6,266 | 2.10 | -829 bearers (-11.7%) | Down 416 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 Sato 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 | #4,956 | #5,372 | -8.4% |
| Count | 7,095 | 6,266 | -11.7% |
| Per 100K | 2.41 | 2.10 | -13.0% |
Between the 2010 and 2020 Census, the number of Sato bearers went from 7,095 to 6,266 (-11.7% change). The surname moved down 416 positions in the national ranking, going from #4,956 to #5,372.
FAQ
Sato surname: questions and answers
How many people in the U.S. have the surname Sato?
Name Census estimates that about 7,185 living Americans carry the surname Sato. Using the current population baseline, that works out to roughly 1 in 47,704 residents.
How common is Sato?
Sato ranks #5,372 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 2.10 per 100,000 residents, which is about 2 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 6,266 people with the surname Sato. That is different from the site's living-bearer estimate (7,185), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 2.1 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 2.10 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 2 of them to have the surname Sato.
Has Sato become more or less common over time?
Between 2010 and 2020, the surname Sato went from 7,095 recorded bearers to 6,266. That is a decrease of 829 (-11.7%). In the national ranking it fell from #4,956 to #5,372.
What does the Census say about the background of Sato?
Among Census respondents with the surname Sato, the largest self-reported group is Asian/Pacific Islander at 76.1%. The next largest groups are Two or More Races (10.6%) and White (7.1%). 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 Sato in the 2020 Census, accounting for 76.1% (4,771 people in the source table).
What is the full ancestry breakdown?
Sato appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (76.1%), Two or More Races (10.6%), White (7.1%). 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 Sato (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 Sato mean?
A Japanese surname meaning "help" or "assistance," or referring to someone living in a village. 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 Sato (2.10 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 Sato?
For a quick modern take, check how common the surname Sato is on our sister site HowManyOfMe.org.