2010
#146,201
National surname rank
First available Census row
A French surname derived from the Old French word 'rassat' meaning satisfied or sated.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Rassat. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Rassat 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
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Rassat in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Rassat, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (6.1%) and American Indian/Alaska Native (2.6%).
Origin
The surname RASSAT is believed to have originated in France, with its earliest recorded use dating back to the 16th century. It is thought to be derived from the French word "rasé," meaning "shaved" or "shorn," which may have been used as a descriptive nickname for an individual with a shaved head or tonsured hairstyle.
One of the earliest documented references to the RASSAT surname can be found in the records of the city of Limoges, located in central France. In 1587, a certain Jean RASSAT was listed as a resident of the city, working as a tanner. This early mention suggests that the name was already established in the region by the late 16th century.
The RASSAT name has also been linked to various place names in France, such as the village of Rassat in the department of Puy-de-Dôme. It is possible that the surname originated as a locative name, indicating a person's place of origin or residence.
Notable individuals with the RASSAT surname throughout history include Pierre RASSAT, a French philosopher and theologian who lived in the early 18th century (1683-1757). Another prominent figure was Françoise RASSAT, a French painter and engraver active in the late 18th and early 19th centuries (1772-1848).
In the 19th century, the RASSAT name gained recognition in the literary world with the birth of Amédée RASSAT (1819-1891), a French poet and playwright known for his works on the Romantic movement. Additionally, Émile RASSAT (1857-1935), a French jurist and legal scholar, made significant contributions to the field of criminal law during this period.
Another notable individual bearing the RASSAT surname was Léon RASSAT (1870-1945), a French architect responsible for designing several significant buildings in Paris, including the Petit Palais and the Palais de la Découverte.
While the RASSAT name has its roots in France, it has since spread to other parts of the world through migration and immigration. However, its origins and earliest recorded uses can be traced back to the French regions, where it has a rich historical presence.
Demographics
Among Census respondents with the surname Rassat, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (6.1%) and American Indian/Alaska Native (2.6%).
The bar chart below shows how Rassat 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 Rassat surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Rassat 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 | #146,201 | 113 | 0.04 | First available Census row | First available Census row |
| 2020 | #146,495 | 114 | 0.04 | +1 bearers (+0.9%) | Down 294 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 Rassat 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 | #146,201 | #146,495 | -0.2% |
| Count | 113 | 114 | 0.9% |
| Per 100K | 0.04 | 0.04 | -4.6% |
Between the 2010 and 2020 Census, the number of Rassat bearers went from 113 to 114 (+0.9% change). The surname moved down 294 positions in the national ranking, going from #146,201 to #146,495.
FAQ
Name Census estimates that about 131 living Americans carry the surname Rassat. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
Rassat ranks #146,495 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 114 people with the surname Rassat. That is different from the site's living-bearer estimate (131), 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 Rassat.
Between 2010 and 2020, the surname Rassat went from 113 recorded bearers to 114. That is an increase of 1 (+0.9%). In the national ranking it fell from #146,201 to #146,495.
Among Census respondents with the surname Rassat, the largest self-reported group is White at 89.5%. The next largest groups are Two or More Races (6.1%) and American Indian/Alaska Native (2.6%). 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 Rassat in the 2020 Census, accounting for 89.5% (102 people in the source table).
Rassat appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.5%), Two or More Races (6.1%), American Indian/Alaska Native (2.6%). 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 Rassat (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 French surname derived from the Old French word 'rassat' meaning satisfied or sated. 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 Rassat (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.
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.