2000
#69,854
National surname rank
First available Census row
A locative surname from France referring to someone living near a tower.
According to the 2020 US Census Bureau surname tables, roughly 307 Americans carry the last name Delatour. That puts it at #77,203 in the national surname ranking, appearing at a frequency of 0.09 per 100,000 people (about 1 in 1,116,464 residents).
This page is the full Name Census profile for the Delatour 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
307
1 in 1,116,464
Census rank
#77,203
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
268
very rare in the US
Popularity narrative
The Census Bureau recorded 268 bearers of the surname Delatour in its 2020 decennial surname file. At a rate of 0.09 per 100,000 residents, it holds the 77203rd position in the national surname ranking.
Among Census respondents with the surname Delatour, the largest self-reported group is White at 40.7%. The next largest groups are Black (39.6%) and Hispanic (12.3%).
Origin
The surname DELATOUR is of French origin, derived from the Old French words "de la tour," which translates to "of the tower." This name likely originated in the 11th or 12th century during the Norman conquest of England.
It is believed that the name DELATOUR was initially bestowed upon individuals who lived near or were associated with a particular tower or fortified structure. During the Middle Ages, towers served as defensive structures and were often used to control access to towns or cities. Individuals living in or near these towers may have adopted the surname to indicate their association with the location.
One of the earliest recorded instances of the name DELATOUR can be found in the Domesday Book, a manuscript compiled in 1086 by order of William the Conqueror. This record documents a landowner named Radulfus de la Tour in Gloucestershire, England.
In the 13th century, a prominent figure named Robert Delatour was recorded as a knight who participated in the Seventh Crusade, led by King Louis IX of France. Another notable bearer of the name was Jean Delatour, a French poet and playwright who lived in the 16th century.
During the 17th century, a member of the DELATOUR family named Jacques Delatour was a renowned architect who designed several notable buildings in Paris, including the Church of Saint-Roch and the Palais-Royal.
Another individual with the surname DELATOUR was Marie-Catherine Delatour, a French painter who lived from 1684 to 1755. She is known for her still-life paintings and her contribution to the development of the genre in France.
In the 19th century, a French sculptor named Pierre-Jules Delatour gained recognition for his works, including the statue of Louis XIV located in the courtyard of the Louvre Museum in Paris.
The name DELATOUR has also been associated with various place names throughout history, such as La Tour d'Auvergne, a commune in the Puy-de-Dôme department of France, and Tour de la Garde, a medieval tower located in the town of Saintes, France.
While the surname DELATOUR originated in France, it has since spread to other parts of the world, including England, Canada, and the United States, due to migration and cultural exchange.
Demographics
Among Census respondents with the surname Delatour, the largest self-reported group is White at 40.7%. The next largest groups are Black (39.6%) and Hispanic (12.3%).
The bar chart below shows how Delatour 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 Delatour surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Delatour 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.
2000
National surname rank
First available Census row
2010
National surname rank
-5 bearers (-1.9%)
2020
National surname rank
+11 bearers (+4.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #69,854 | 262 | 0.10 | First available Census row | First available Census row |
| 2010 | #75,069 | 257 | 0.09 | -5 bearers (-1.9%) | Down 5,215 places |
| 2020 | #77,203 | 268 | 0.09 | +11 bearers (+4.3%) | Down 2,134 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 Delatour 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 | #75,069 | #77,203 | -2.8% |
| Count | 257 | 268 | 4.3% |
| Per 100K | 0.09 | 0.09 | -0.4% |
Between the 2010 and 2020 Census, the number of Delatour bearers went from 257 to 268 (+4.3% change). The surname moved down 2,134 positions in the national ranking, going from #75,069 to #77,203.
Notable bearers
FAQ
Name Census estimates that about 307 living Americans carry the surname Delatour. Using the current population baseline, that works out to roughly 1 in 1,116,464 residents.
Delatour ranks #77,203 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.09 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 268 people with the surname Delatour. That is different from the site's living-bearer estimate (307), 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 0.09 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 Delatour.
Between 2010 and 2020, the surname Delatour went from 257 recorded bearers to 268. That is an increase of 11 (+4.3%). In the national ranking it fell from #75,069 to #77,203.
Among Census respondents with the surname Delatour, the largest self-reported group is White at 40.7%. The next largest groups are Black (39.6%) and Hispanic (12.3%). 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 Delatour in the 2020 Census, accounting for 40.7% (109 people in the source table).
Delatour appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (40.7%), Black (39.6%), Hispanic (12.3%). 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 Delatour (2000, 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 locative surname from France referring to someone living near a tower. 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 Delatour (0.09 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.