2010
#160,975
National surname rank
First available Census row
Germanic surname meaning "inherited wealth ruler" or "prosperous leader".
According to the 2020 US Census Bureau surname tables, roughly 116 Americans carry the last name Ardolf. That puts it at #155,270 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,954,779 residents).
This page is the full Name Census profile for the Ardolf 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
116
1 in 2,954,779
Census rank
#155,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
101
very rare in the US
Popularity narrative
The Census Bureau recorded 101 bearers of the surname Ardolf in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 155270th position in the national surname ranking.
Among Census respondents with the surname Ardolf, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (5.9%).
Origin
The surname ARDOLF originated in the German region of Bavaria during the medieval period, likely emerging around the 12th or 13th century. It is believed to be a compound name derived from the Old German words "arn," meaning eagle, and "wolf," signifying a strong, formidable individual. The name may have been initially bestowed upon someone known for their bravery and fierceness in battle.
One of the earliest recorded instances of the name can be found in the Codex Diplomaticus Bavariensis, a collection of historical documents from Bavaria, where a certain Arnolfus de Ratisbon is mentioned in a charter dated 1237. This individual was likely a landowner or nobleman from the town of Regensburg (formerly known as Ratisbon).
During the 14th century, variations of the name such as Arnolff, Arnolphi, and Arnoldfi appeared in various records across southern Germany and Austria. These spellings reflect the fluidity of surnames during that era, as they were often based on local dialects and scribal interpretations.
A notable bearer of the name was Johannes Ardolf, a German Catholic priest and theologian born in Nuremberg in 1486. He was a prominent figure during the Reformation, known for his writings defending the Catholic faith against the teachings of Martin Luther.
In the 16th century, the ARDOLF name spread to other regions of Europe, including the Netherlands and England. One such individual was Cornelius Ardolf, a Dutch merchant and explorer who reportedly traveled to the Americas in the late 1500s, though records of his voyages remain scarce.
Another significant figure was Sir Thomas Ardolf, an English military commander who served under King Henry VIII during the Anglo-Scottish Wars in the early 1500s. He was knighted for his valor in the Battle of Flodden in 1513 and later became a member of the king's Privy Council.
As the centuries progressed, the ARDOLF name continued to appear sporadically in various historical records, though it remained relatively uncommon compared to other surnames. Notable bearers include the German philosopher and mathematician Johann Ardolf (1647-1721) and the Dutch painter Pieter Ardolf (1760-1840).
While the ARDOLF surname may not be widely recognized today, its origins can be traced back to the medieval period in Bavaria, where it likely emerged as a descriptive name reflecting strength and bravery. The name's journey through history has intersected with various notable individuals, from clergymen and merchants to military commanders and artists.
Demographics
Among Census respondents with the surname Ardolf, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (5.9%).
The bar chart below shows how Ardolf 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 Ardolf surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Ardolf 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.
2010
National surname rank
First available Census row
2020
National surname rank
+1 bearers (+1.0%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #160,975 | 100 | 0.03 | First available Census row | First available Census row |
| 2020 | #155,270 | 101 | 0.03 | +1 bearers (+1.0%) | Up 5,705 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 Ardolf 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 | #160,975 | #155,270 | 3.5% |
| Count | 100 | 101 | 1.0% |
| Per 100K | 0.03 | 0.03 | 12.6% |
Between the 2010 and 2020 Census, the number of Ardolf bearers went from 100 to 101 (+1.0% change). The surname moved up 5,705 positions in the national ranking, going from #160,975 to #155,270.
FAQ
Name Census estimates that about 116 living Americans carry the surname Ardolf. Using the current population baseline, that works out to roughly 1 in 2,954,779 residents.
Ardolf ranks #155,270 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 101 people with the surname Ardolf. That is different from the site's living-bearer estimate (116), 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 0.03 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 Ardolf.
Between 2010 and 2020, the surname Ardolf went from 100 recorded bearers to 101. That is an increase of 1 (+1.0%). In the national ranking it rose from #160,975 to #155,270.
Among Census respondents with the surname Ardolf, the largest self-reported group is White at 94.1%. The next largest groups are Hispanic (5.9%). 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 Ardolf in the 2020 Census, accounting for 94.1% (95 people in the source table).
Ardolf appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.1%), Hispanic (5.9%). 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 Ardolf (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.
Germanic surname meaning "inherited wealth ruler" or "prosperous leader". 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 Ardolf (0.03 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.