2000
#8,426
National surname rank
Recorded bearers 3,602
First available Census row
Per 100,000 1.34
Rare Last name
Ronquillo
A Spanish surname referring to someone who lived near a twisted or gnarled tree.
According to the 2020 US Census Bureau surname tables, roughly 5,555 Americans carry the last name Ronquillo. That puts it at #6,698 in the national surname ranking, appearing at a frequency of 1.62 per 100,000 people (about 1 in 61,702 residents).
This page is the full Name Census profile for the Ronquillo 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
5.6K
1 in 61,702
Census rank
#6,698
2020 decennial data
Per 100,000
1.6
Frequency rate
Recorded bearers
4.8K
rare in the US
Popularity narrative
The Census Bureau recorded 4,844 bearers of the surname Ronquillo in its 2020 decennial surname file. At a rate of 1.62 per 100,000 residents, it holds the 6698th position in the national surname ranking.
Among Census respondents with the surname Ronquillo, the largest self-reported group is Hispanic at 68.2%. The next largest groups are Asian/Pacific Islander (21.4%) and White (7.5%).
Origin
Meaning and origin of Ronquillo
The surname Ronquillo originates from Spain, tracing its roots back to the medieval period. It is believed to have derived from the Spanish word "roncar," meaning "to snore," suggesting a possible connection to a distinguishing physical trait or an occupation involving sleeping quarters.
One of the earliest recorded instances of the name appears in the 14th century, when a certain Juan Ronquillo was mentioned in historical documents from the region of Andalusia, Southern Spain. This region, particularly the city of Seville, was a significant hub for the surname's prevalence during that era.
Interestingly, the name Ronquillo shares similarities with the Italian surname "Ronchetti," which also stems from the word for "snoring." This parallel suggests a potential link between the two names, possibly indicating a shared origin or migration patterns between Spain and Italy.
In the 16th century, the name gained prominence in historical records, with notable individuals bearing the surname. One such figure was Gonzalo Ronquillo, a Spanish military commander who participated in the conquest of the Philippines in the late 1500s. His exploits and leadership during this pivotal period in Philippine history have left a lasting legacy.
Another notable bearer of the Ronquillo surname was Pedro Ronquillo, a Spanish diplomat and politician who served as the Spanish ambassador to England in the early 17th century, during the reign of King James I. His diplomatic efforts played a crucial role in shaping the relations between the two nations during that time.
Moving forward to the 18th century, we find José Antonio Ronquillo, a Spanish naval officer and explorer. He commanded several expeditions to the Pacific Ocean and contributed significantly to the exploration and mapping of the region, expanding Spain's knowledge of the vast waters and uncharted territories.
In the realm of literature, the name Ronquillo is associated with Manuel Ronquillo, a Spanish poet and writer from the late 19th century. His works, though not widely acclaimed during his lifetime, have gained recognition for their unique perspectives and contributions to Spanish literature.
Finally, in the 20th century, Carlos Ronquillo emerged as a prominent figure in the world of art. A Spanish sculptor and painter, his works showcased a distinctive style that blended traditional techniques with modern interpretations, earning him recognition both within Spain and internationally.
Throughout its history, the surname Ronquillo has been carried by individuals from various walks of life, including military leaders, diplomats, explorers, writers, and artists. While the name's origins may be rooted in a humorous reference to snoring, it has evolved to represent a rich tapestry of cultural heritage and accomplishments across centuries.
Demographics
Ancestry and ethnicity for Ronquillo
Among Census respondents with the surname Ronquillo, the largest self-reported group is Hispanic at 68.2%. The next largest groups are Asian/Pacific Islander (21.4%) and White (7.5%).
The bar chart below shows how Ronquillo 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 Ronquillo surname at the time of the 2020 Census, not any inherent property of the name itself.
- Hispanic or Latino68.2% · 3,302
- Asian and Pacific Islander21.4% · 1,038
- White7.5% · 365
- Two or more races2.2% · 108
- Black or African American0.4% · 20
- American Indian and Alaska Native0.2% · 11
Timeline
Historical Census data for Ronquillo
Ronquillo 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
#6,885
National surname rank
Recorded bearers 4,881
+1,279 bearers (+35.5%)
Per 100,000 1.65
Rank movement Up 1,541 places
2020
#6,698
National surname rank
Recorded bearers 4,844
-37 bearers (-0.8%)
Per 100,000 1.62
Rank movement Up 187 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,426 | 3,602 | 1.34 | First available Census row | First available Census row |
| 2010 | #6,885 | 4,881 | 1.65 | +1,279 bearers (+35.5%) | Up 1,541 places |
| 2020 | #6,698 | 4,844 | 1.62 | -37 bearers (-0.8%) | Up 187 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 Ronquillo 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 | #6,885 | #6,698 | 2.7% |
| Count | 4,881 | 4,844 | -0.8% |
| Per 100K | 1.65 | 1.62 | -1.8% |
Between the 2010 and 2020 Census, the number of Ronquillo bearers went from 4,881 to 4,844 (-0.8% change). The surname moved up 187 positions in the national ranking, going from #6,885 to #6,698.
FAQ
Ronquillo surname: questions and answers
How many people in the U.S. have the surname Ronquillo?
Name Census estimates that about 5,555 living Americans carry the surname Ronquillo. Using the current population baseline, that works out to roughly 1 in 61,702 residents.
How common is Ronquillo?
Ronquillo ranks #6,698 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.62 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 4,844 people with the surname Ronquillo. That is different from the site's living-bearer estimate (5,555), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1.62 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.62 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 Ronquillo.
Has Ronquillo become more or less common over time?
Between 2010 and 2020, the surname Ronquillo went from 4,881 recorded bearers to 4,844. That is a decrease of 37 (-0.8%). In the national ranking it rose from #6,885 to #6,698.
What does the Census say about the background of Ronquillo?
Among Census respondents with the surname Ronquillo, the largest self-reported group is Hispanic at 68.2%. The next largest groups are Asian/Pacific Islander (21.4%) and White (7.5%). 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 Ronquillo in the 2020 Census, accounting for 68.2% (3,302 people in the source table).
What is the full ancestry breakdown?
Ronquillo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (68.2%), Asian/Pacific Islander (21.4%), White (7.5%). 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 Ronquillo (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 Ronquillo mean?
A Spanish surname referring to someone who lived near a twisted or gnarled tree. 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 Ronquillo (1.62 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 Ronquillo?
Our sister site HowManyOfMe.org answers how many Americans have the surname Ronquillo at a glance, with the living-bearer count up front.