2010
#160,975
National surname rank
Recorded bearers 100
First available Census row
Per 100,000 0.03
Very Rare Last name
Dellenbaugh
A locational surname referring to someone from Dell, a valley or dell.
According to the 2020 US Census Bureau surname tables, roughly 132 Americans carry the last name Dellenbaugh. That puts it at #145,757 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,596,624 residents).
This page is the full Name Census profile for the Dellenbaugh 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
132
1 in 2,596,624
Census rank
#145,757
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
115
very rare in the US
Popularity narrative
The Census Bureau recorded 115 bearers of the surname Dellenbaugh in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 145757th position in the national surname ranking.
Among Census respondents with the surname Dellenbaugh, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (5.2%) and Hispanic (1.7%).
Origin
Meaning and origin of Dellenbaugh
The surname Dellenbaugh has its origins in Germany, dating back to the Middle Ages. It is believed to have originated from the word "dell," which refers to a small valley or hollow, and "baugh," which means a ridge or hill. This suggests that the name may have been derived from a geographic feature or location where the earliest bearers of the name resided.
One of the earliest recorded instances of the Dellenbaugh name can be found in the historical records of the city of Nuremberg, which date back to the 14th century. In these records, the name is spelled "Dellenbaugher," indicating a slight variation in spelling from the modern form.
During the 16th and 17th centuries, the Dellenbaugh name appears in various German records, including church registers and legal documents. One notable individual from this time period is Johannes Dellenbaugh, a merchant and landowner who lived in the town of Rothenburg ob der Tauber in the early 1600s.
As the Dellenbaugh family continued to grow and spread throughout Germany, some members migrated to other parts of Europe and eventually to the Americas. In the late 18th century, a man named Friedrich Dellenbaugh was born in the German state of Hesse-Darmstadt. He later immigrated to the United States and settled in Pennsylvania, where he established a successful farming community.
Another prominent figure bearing the Dellenbaugh name was Franz Dellenbaugh, a German-American explorer and author who was born in 1837. He is best known for his involvement in the famous Powell Geographic Expedition, which explored the Grand Canyon and the Colorado River in the late 1800s. Franz Dellenbaugh's written accounts and illustrations from this expedition became important historical records.
In the late 19th and early 20th centuries, the Dellenbaugh name can be found in various records and documents across Europe and North America. Notable individuals from this time period include Marie Dellenbaugh, a German artist and illustrator born in 1865, and Frederick Samuel Dellenbaugh, an American lawyer and politician who served as a member of the United States House of Representatives from 1905 to 1913.
While the Dellenbaugh name may have originated from a specific geographic location in Germany, it has since spread across the globe, with bearers of the name making significant contributions in various fields throughout history.
Demographics
Ancestry and ethnicity for Dellenbaugh
Among Census respondents with the surname Dellenbaugh, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (5.2%) and Hispanic (1.7%).
The bar chart below shows how Dellenbaugh 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 Dellenbaugh surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.4% · 104
- Two or more races5.2% · 6
- Hispanic or Latino1.7% · 2
- Black or African American0.9% · 1
- Asian and Pacific Islander0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Dellenbaugh
Dellenbaugh 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.
2020
#145,757
National surname rank
Recorded bearers 115
+15 bearers (+15.0%)
Per 100,000 0.04
Rank movement Up 15,218 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #160,975 | 100 | 0.03 | First available Census row | First available Census row |
| 2020 | #145,757 | 115 | 0.04 | +15 bearers (+15.0%) | Up 15,218 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 Dellenbaugh 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 | #160,975 | #145,757 | 9.5% |
| Count | 100 | 115 | 15.0% |
| Per 100K | 0.03 | 0.04 | 28.2% |
Between the 2010 and 2020 Census, the number of Dellenbaugh bearers went from 100 to 115 (+15.0% change). The surname moved up 15,218 positions in the national ranking, going from #160,975 to #145,757.
FAQ
Dellenbaugh surname: questions and answers
How many people in the U.S. have the surname Dellenbaugh?
Name Census estimates that about 132 living Americans carry the surname Dellenbaugh. Using the current population baseline, that works out to roughly 1 in 2,596,624 residents.
How common is Dellenbaugh?
Dellenbaugh ranks #145,757 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 115 people with the surname Dellenbaugh. That is different from the site's living-bearer estimate (132), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
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 Dellenbaugh.
Has Dellenbaugh become more or less common over time?
Between 2010 and 2020, the surname Dellenbaugh went from 100 recorded bearers to 115. That is an increase of 15 (+15.0%). In the national ranking it rose from #160,975 to #145,757.
What does the Census say about the background of Dellenbaugh?
Among Census respondents with the surname Dellenbaugh, the largest self-reported group is White at 90.4%. The next largest groups are Two or More Races (5.2%) and Hispanic (1.7%). 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?
White is the largest self-reported group for the surname Dellenbaugh in the 2020 Census, accounting for 90.4% (104 people in the source table).
What is the full ancestry breakdown?
Dellenbaugh appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.4%), Two or More Races (5.2%), Hispanic (1.7%). 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 Dellenbaugh (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 Dellenbaugh mean?
A locational surname referring to someone from Dell, a valley or dell. 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 Dellenbaugh (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.
How many people are called Dellenbaugh?
You can see how many people are called Dellenbaugh on our sister site HowManyOfMe.org — same data roots, lighter UI.