2010
#160,975
National surname rank
Recorded bearers 100
First available Census row
Per 100,000 0.03
Very Rare Last name
Dietzmann
A variant of the German surname derived from the personal name Dietrich.
According to the 2020 US Census Bureau surname tables, roughly 128 Americans carry the last name Dietzmann. That puts it at #147,954 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,677,768 residents).
This page is the full Name Census profile for the Dietzmann 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
128
1 in 2,677,768
Census rank
#147,954
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
112
very rare in the US
Popularity narrative
The Census Bureau recorded 112 bearers of the surname Dietzmann in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147954th position in the national surname ranking.
Among Census respondents with the surname Dietzmann, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (3.6%) and Black (0.9%).
Origin
Meaning and origin of Dietzmann
The surname DIETZMANN has its origins in Germany, emerging in the late medieval period around the 14th or 15th century. It is believed to have originated in the regions of northern and central Germany, where it was likely derived from the German word "diez," meaning a judge or official. This suggests that the name may have been given to individuals who held positions of authority or worked in legal professions.
One of the earliest recorded instances of the DIETZMANN name can be found in the records of the city of Nuremberg in the late 15th century, where a certain Johannes Dietzmann was mentioned as a respected citizen and landowner. During this time, surnames were becoming more prevalent, and many individuals adopted names based on their occupations or locations.
The DIETZMANN name has also been associated with various place names in Germany, such as Dietzenbach, a town located in the state of Hesse. It is possible that some families adopted the surname after migrating from these areas or having connections to them.
Throughout history, several notable individuals have borne the DIETZMANN surname. One such figure was Johann Dietzmann (1679-1739), a German composer and organist who served in the court of Saxony-Weissenfels. Another was Johann Christian Dietzmann (1718-1769), a German theologian and philosopher who wrote extensively on topics related to theology and ethics.
In the 19th century, Carl Dietzmann (1819-1882) was a prominent German architect who designed several notable buildings in Berlin and other cities. His contributions to the architectural landscape of Germany were significant during this period.
Moving into the 20th century, Hans Dietzmann (1897-1972) was a German physicist and engineer who made important contributions to the fields of optics and spectroscopy. His research and innovations had a lasting impact on the development of scientific instruments and techniques.
While the DIETZMANN surname may not be as prevalent as some other German names, it has a rich history and has been borne by individuals who have left their mark in various fields, from music and theology to architecture and science.
Demographics
Ancestry and ethnicity for Dietzmann
Among Census respondents with the surname Dietzmann, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (3.6%) and Black (0.9%).
The bar chart below shows how Dietzmann 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 Dietzmann surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.6% · 106
- Hispanic or Latino3.6% · 4
- Black or African American0.9% · 1
- Two or more races0.9% · 1
Timeline
Historical Census data for Dietzmann
Dietzmann 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
#147,954
National surname rank
Recorded bearers 112
+12 bearers (+12.0%)
Per 100,000 0.04
Rank movement Up 13,021 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 | #147,954 | 112 | 0.04 | +12 bearers (+12.0%) | Up 13,021 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 Dietzmann 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 | #147,954 | 8.1% |
| Count | 100 | 112 | 12.0% |
| Per 100K | 0.03 | 0.04 | 24.9% |
Between the 2010 and 2020 Census, the number of Dietzmann bearers went from 100 to 112 (+12.0% change). The surname moved up 13,021 positions in the national ranking, going from #160,975 to #147,954.
FAQ
Dietzmann surname: questions and answers
How many people in the U.S. have the surname Dietzmann?
Name Census estimates that about 128 living Americans carry the surname Dietzmann. Using the current population baseline, that works out to roughly 1 in 2,677,768 residents.
How common is Dietzmann?
Dietzmann ranks #147,954 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 112 people with the surname Dietzmann. That is different from the site's living-bearer estimate (128), 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 Dietzmann.
Has Dietzmann become more or less common over time?
Between 2010 and 2020, the surname Dietzmann went from 100 recorded bearers to 112. That is an increase of 12 (+12.0%). In the national ranking it rose from #160,975 to #147,954.
What does the Census say about the background of Dietzmann?
Among Census respondents with the surname Dietzmann, the largest self-reported group is White at 94.6%. The next largest groups are Hispanic (3.6%) and Black (0.9%). 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 Dietzmann in the 2020 Census, accounting for 94.6% (106 people in the source table).
What is the full ancestry breakdown?
Dietzmann appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.6%), Hispanic (3.6%), Black (0.9%). 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.
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 Dietzmann (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 Dietzmann mean?
A variant of the German surname derived from the personal name Dietrich. 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 Dietzmann (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 share the surname Dietzmann?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.