2000
#18,847
National surname rank
First available Census row
A Spanish surname derived from "de haro", meaning "from Haro" (a town in northern Spain).
According to the 2020 US Census Bureau surname tables, roughly 2,310 Americans carry the last name Deharo. That puts it at #14,292 in the national surname ranking, appearing at a frequency of 0.67 per 100,000 people (about 1 in 148,379 residents).
This page is the full Name Census profile for the Deharo 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
2.3K
1 in 148,379
Census rank
#14,292
2020 decennial data
Per 100,000
0.7
Frequency rate
Recorded bearers
2.0K
rare in the US
Popularity narrative
The Census Bureau recorded 2,014 bearers of the surname Deharo in its 2020 decennial surname file. At a rate of 0.67 per 100,000 residents, it holds the 14292nd position in the national surname ranking.
Among Census respondents with the surname Deharo, the largest self-reported group is Hispanic at 95.1%. The next largest groups are White (3.9%) and Two or More Races (0.5%).
Origin
The surname DEHARO originated in Spain during the Middle Ages. It is derived from the Spanish words "de" meaning "from" and "haro" which was a medieval town located in the province of La Rioja in northern Spain. The name likely referred to someone who came from or lived in this town.
One of the earliest recorded mentions of the DEHARO surname can be found in the Becerro de las Behetrías, a medieval census document from the 14th century. This record lists several individuals with the surname DEHARO living in various villages and towns across northern Spain.
In the 15th century, the DEHARO family played a prominent role in the Reconquista, the centuries-long struggle to drive the Moors out of the Iberian Peninsula. Juan DEHARO (1420-1489) was a renowned military leader who fought alongside King Ferdinand II of Aragon during the conquest of Granada.
During the Age of Exploration in the 16th century, many DEHARO settlers ventured to the Americas as part of Spain's colonial expansion. Hernando DEHARO (1510-1582) was one of the early conquistadors who accompanied Hernán Cortés on his expedition to conquer the Aztec Empire in modern-day Mexico.
In the 17th century, the DEHARO family established itself as a prominent landowning dynasty in the region of Andalusia in southern Spain. María DEHARO (1625-1698) was a wealthy landowner and philanthropist who donated a significant portion of her fortune to the construction of churches and hospitals in the city of Seville.
Another notable figure was Francisco DEHARO (1780-1842), a Spanish military officer and politician who fought against Napoleon's forces during the Peninsular War. He later served as a member of the Cortes, Spain's parliament, during the reign of King Ferdinand VII.
Throughout its history, the DEHARO surname has been associated with various locations and place names in Spain, including Haro, Rioja, Andalusia, and Seville. While the spelling has remained relatively consistent over time, variations such as De Haro, De Aro, and De Arro have also been documented in historical records.
Demographics
Among Census respondents with the surname Deharo, the largest self-reported group is Hispanic at 95.1%. The next largest groups are White (3.9%) and Two or More Races (0.5%).
The bar chart below shows how Deharo 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 Deharo surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Deharo 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
+389 bearers (+29.0%)
2020
National surname rank
+283 bearers (+16.3%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #18,847 | 1,342 | 0.50 | First available Census row | First available Census row |
| 2010 | #16,575 | 1,731 | 0.59 | +389 bearers (+29.0%) | Up 2,272 places |
| 2020 | #14,292 | 2,014 | 0.67 | +283 bearers (+16.3%) | Up 2,283 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 Deharo 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 | #16,575 | #14,292 | 13.8% |
| Count | 1,731 | 2,014 | 16.3% |
| Per 100K | 0.59 | 0.67 | 14.2% |
Between the 2010 and 2020 Census, the number of Deharo bearers went from 1,731 to 2,014 (+16.3% change). The surname moved up 2,283 positions in the national ranking, going from #16,575 to #14,292.
FAQ
Name Census estimates that about 2,310 living Americans carry the surname Deharo. Using the current population baseline, that works out to roughly 1 in 148,379 residents.
Deharo ranks #14,292 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.67 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 2,014 people with the surname Deharo. That is different from the site's living-bearer estimate (2,310), 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 0.67 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 Deharo.
Between 2010 and 2020, the surname Deharo went from 1,731 recorded bearers to 2,014. That is an increase of 283 (+16.3%). In the national ranking it rose from #16,575 to #14,292.
Among Census respondents with the surname Deharo, the largest self-reported group is Hispanic at 95.1%. The next largest groups are White (3.9%) and Two or More Races (0.5%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Hispanic is the largest self-reported group for the surname Deharo in the 2020 Census, accounting for 95.1% (1,916 people in the source table).
Deharo appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Hispanic (95.1%), White (3.9%), Two or More Races (0.5%). 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.
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 Deharo (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 Spanish surname derived from "de haro", meaning "from Haro" (a town in northern Spain). 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 Deharo (0.67 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
Want to know how many Americans have the surname Deharo? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.