2000
#4,397
National surname rank
Recorded bearers 7,457
First available Census row
Per 100,000 2.76
Rare Last name
Sanches
A patronymic surname of Spanish and Portuguese origin, meaning "son of Sancho" or "son of the sanctified one."
According to the 2020 US Census Bureau surname tables, roughly 5,008 Americans carry the last name Sanches. That puts it at #7,363 in the national surname ranking, appearing at a frequency of 1.46 per 100,000 people (about 1 in 68,441 residents).
This page is the full Name Census profile for the Sanches 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 Sanches with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
5.0K
1 in 68,441
Census rank
#7,363
2020 decennial data
Per 100,000
1.5
Frequency rate
Recorded bearers
4.4K
rare in the US
Popularity narrative
The Census Bureau recorded 4,367 bearers of the surname Sanches in its 2020 decennial surname file. At a rate of 1.46 per 100,000 residents, it holds the 7363rd position in the national surname ranking.
Among Census respondents with the surname Sanches, the largest self-reported group is Hispanic at 77.0%. The next largest groups are White (17.9%) and Black (2.2%).
Origin
Meaning and origin of Sanches
The surname Sanches is of Spanish origin, derived from the patronymic form of the personal name "Sancho," which is believed to have originated from the Latin name "Sanctius," meaning "sacred" or "holy."
The name Sanches first appeared in the Iberian Peninsula during the Middle Ages, particularly in the regions of Castile, Aragon, and Navarre. It gained prominence as a prominent family name among the Spanish nobility and aristocracy.
One of the earliest recorded mentions of the Sanches surname can be found in the Cartularios de Valpuesta, a collection of medieval documents from the 11th century, where the name appears as "Sancio" or "Sancius."
In the 13th century, during the reign of King Alfonso X of Castile (1221-1284), the name Sanches was associated with several notable individuals, including Rodrigo Sanches, a renowned poet and troubadour, and Gonzalo Sanches, a prominent military commander.
Another notable figure bearing the Sanches surname was Tomás Sanches, a Spanish astronomer and mathematician from the 16th century (1551-1625), who made significant contributions to the field of celestial mechanics and the study of comets.
In the literary realm, Miguel Sanches, a Spanish writer and poet from the 17th century (1594-1667), gained recognition for his works, particularly his religious poetry and devotional literature.
The Sanches surname also has a notable presence in Portuguese history, with individuals like João Sanches, a 14th-century Portuguese explorer and navigator (c. 1330-1395), who played a crucial role in the exploration of the Atlantic Ocean and the discovery of the Canary Islands.
Other historical figures with the Sanches surname include Tomás Sanches de Ávila, a Spanish theologian and educator from the 16th century (1490-1553), who served as the rector of the University of Salamanca, and Francisco Sanches, a Portuguese philosopher and physician from the 16th century (1551-1623), known for his contributions to skepticism and empiricism.
While the Sanches surname has its roots in the Iberian Peninsula, it has since spread to various parts of the world, particularly to Latin American countries and communities with Spanish and Portuguese heritage.
Demographics
Ancestry and ethnicity for Sanches
Among Census respondents with the surname Sanches, the largest self-reported group is Hispanic at 77.0%. The next largest groups are White (17.9%) and Black (2.2%).
The bar chart below shows how Sanches 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 Sanches surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino77.0% · 3,362
- White17.9% · 782
- Black or African American2.2% · 98
- Asian and Pacific Islander1.4% · 63
- Two or more races1.1% · 48
- American Indian and Alaska Native0.3% · 14
Timeline
Historical Census data for Sanches
Sanches 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
#4,500
National surname rank
Recorded bearers 7,883
+426 bearers (+5.7%)
Per 100,000 2.67
Rank movement Down 103 places
2020
#7,363
National surname rank
Recorded bearers 4,367
-3,516 bearers (-44.6%)
Per 100,000 1.46
Rank movement Down 2,863 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #4,397 | 7,457 | 2.76 | First available Census row | First available Census row |
| 2010 | #4,500 | 7,883 | 2.67 | +426 bearers (+5.7%) | Down 103 places |
| 2020 | #7,363 | 4,367 | 1.46 | -3,516 bearers (-44.6%) | Down 2,863 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 Sanches 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 | #4,500 | #7,363 | -63.6% |
| Count | 7,883 | 4,367 | -44.6% |
| Per 100K | 2.67 | 1.46 | -45.3% |
Between the 2010 and 2020 Census, the number of Sanches bearers went from 7,883 to 4,367 (-44.6% change). The surname moved down 2,863 positions in the national ranking, going from #4,500 to #7,363.
FAQ
Sanches surname: questions and answers
How many people in the U.S. have the surname Sanches?
Name Census estimates that about 5,008 living Americans carry the surname Sanches. Using the current population baseline, that works out to roughly 1 in 68,441 residents.
How common is Sanches?
Sanches ranks #7,363 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.46 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 4,367 people with the surname Sanches. That is different from the site's living-bearer estimate (5,008), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.46 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.46 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 Sanches.
Has Sanches become more or less common over time?
Between 2010 and 2020, the surname Sanches went from 7,883 recorded bearers to 4,367. That is a decrease of 3,516 (-44.6%). In the national ranking it fell from #4,500 to #7,363.
What does the Census say about the background of Sanches?
Among Census respondents with the surname Sanches, the largest self-reported group is Hispanic at 77.0%. The next largest groups are White (17.9%) and Black (2.2%). 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?
Hispanic is the largest self-reported group for the surname Sanches in the 2020 Census, accounting for 77.0% (3,362 people in the source table).
What is the full ancestry breakdown?
Sanches appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (77.0%), White (17.9%), Black (2.2%). 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 Sanches (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 Sanches mean?
A patronymic surname of Spanish and Portuguese origin, meaning "son of Sancho" or "son of the sanctified one." 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 Sanches (1.46 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 have the last name Sanches?
Our sister site HowManyOfMe.org answers how common the surname Sanches is at a glance, with the living-bearer count up front.