2000
#85,643
National surname rank
Recorded bearers 203
First available Census row
Per 100,000 0.08
Very Rare Last name
Billalobos
A Spanish surname derived from the words "bello" (beautiful) and "lobo" (wolf).
According to the 2020 US Census Bureau surname tables, roughly 193 Americans carry the last name Billalobos. That puts it at #111,467 in the national surname ranking, appearing at a frequency of 0.06 per 100,000 people (about 1 in 1,775,929 residents).
This page is the full Name Census profile for the Billalobos 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
193
1 in 1,775,929
Census rank
#111,467
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
168
very rare in the US
Popularity narrative
The Census Bureau recorded 168 bearers of the surname Billalobos in its 2020 decennial surname file. At a rate of 0.06 per 100,000 residents, it holds the 111467th position in the national surname ranking.
Among Census respondents with the surname Billalobos, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (3.0%) and Two or More Races (0.6%).
Origin
Meaning and origin of Billalobos
The surname BILLALOBOS has its origins in Spain, and can be traced back to the 15th century. It is derived from the Spanish phrase "villa lobos," which translates to "wolf town" or "town of wolves." This likely refers to a village or area where wolves were once prevalent.
One of the earliest recorded instances of the BILLALOBOS name appears in a 1492 census record from the town of Zaragoza in the region of Aragon. This document lists a family with the surname, suggesting they may have originally hailed from a nearby village known for its wolf population.
Over the centuries, the name has taken on various spellings, including Villalobos, Villa Lobos, and even the Anglicized version, Billalobos. It is believed that some branches of the family may have adopted the latter spelling after migrating to English-speaking regions.
In the 16th century, a notable figure named Diego BILLALOBOS (1482-1546) was a renowned Spanish physician and scholar who served as a court doctor to King Charles V. His medical treatises and writings on philosophy and theology were widely influential during the Renaissance period.
Another significant bearer of the BILLALOBOS name was Juana BILLALOBOS (1620-1688), a Spanish nun and mystic who founded the Order of the Immaculate Conception in Salamanca. Her life and religious works have been the subject of numerous biographies and studies.
In the realm of music, the Brazilian composer Heitor BILLALOBOS (1887-1959) is perhaps the most famous individual with this surname. His compositions, which drew inspiration from folk and indigenous Brazilian music, have been celebrated internationally and have had a lasting impact on modern classical music.
The BILLALOBOS name has also been associated with notable figures in literature, such as the Mexican novelist and short story writer Juan BILLALOBOS (1901-1977), whose works explored themes of rural life and social injustice in his home country.
Lastly, it is worth mentioning the Spanish artist and sculptor Francisco BILLALOBOS (1924-2009), who was renowned for his abstract and modernist works, many of which can be found in galleries and public spaces throughout Spain and Europe.
Demographics
Ancestry and ethnicity for Billalobos
Among Census respondents with the surname Billalobos, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (3.0%) and Two or More Races (0.6%).
The bar chart below shows how Billalobos 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 Billalobos surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino96.4% · 162
- White3.0% · 5
- Two or more races0.6% · 1
Timeline
Historical Census data for Billalobos
Billalobos 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
#77,788
National surname rank
Recorded bearers 246
+43 bearers (+21.2%)
Per 100,000 0.08
Rank movement Up 7,855 places
2020
#111,467
National surname rank
Recorded bearers 168
-78 bearers (-31.7%)
Per 100,000 0.06
Rank movement Down 33,679 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #85,643 | 203 | 0.08 | First available Census row | First available Census row |
| 2010 | #77,788 | 246 | 0.08 | +43 bearers (+21.2%) | Up 7,855 places |
| 2020 | #111,467 | 168 | 0.06 | -78 bearers (-31.7%) | Down 33,679 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 Billalobos 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 | #77,788 | #111,467 | -43.3% |
| Count | 246 | 168 | -31.7% |
| Per 100K | 0.08 | 0.06 | -29.7% |
Between the 2010 and 2020 Census, the number of Billalobos bearers went from 246 to 168 (-31.7% change). The surname moved down 33,679 positions in the national ranking, going from #77,788 to #111,467.
FAQ
Billalobos surname: questions and answers
How many people in the U.S. have the surname Billalobos?
Name Census estimates that about 193 living Americans carry the surname Billalobos. Using the current population baseline, that works out to roughly 1 in 1,775,929 residents.
How common is Billalobos?
Billalobos ranks #111,467 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.06 per 100,000 residents, which is about 0 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 168 people with the surname Billalobos. That is different from the site's living-bearer estimate (193), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.06 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.06 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 Billalobos.
Has Billalobos become more or less common over time?
Between 2010 and 2020, the surname Billalobos went from 246 recorded bearers to 168. That is a decrease of 78 (-31.7%). In the national ranking it fell from #77,788 to #111,467.
What does the Census say about the background of Billalobos?
Among Census respondents with the surname Billalobos, the largest self-reported group is Hispanic at 96.4%. The next largest groups are White (3.0%) and Two or More Races (0.6%). 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 Billalobos in the 2020 Census, accounting for 96.4% (162 people in the source table).
What is the full ancestry breakdown?
Billalobos appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (96.4%), White (3.0%), Two or More Races (0.6%). 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.
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 Billalobos (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 Billalobos mean?
A Spanish surname derived from the words "bello" (beautiful) and "lobo" (wolf). 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 Billalobos (0.06 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 Billalobos?
Find out how many people have the surname Billalobos on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.