2000
#69,201
National surname rank
Recorded bearers 265
First available Census row
Per 100,000 0.10
Very Rare Last name
Assenmacher
A German name derived from a combination of words meaning occupational maker of sickles.
According to the 2020 US Census Bureau surname tables, roughly 360 Americans carry the last name Assenmacher. That puts it at #67,683 in the national surname ranking, appearing at a frequency of 0.11 per 100,000 people (about 1 in 952,095 residents).
This page is the full Name Census profile for the Assenmacher 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
360
1 in 952,095
Census rank
#67,683
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
314
very rare in the US
Popularity narrative
The Census Bureau recorded 314 bearers of the surname Assenmacher in its 2020 decennial surname file. At a rate of 0.11 per 100,000 residents, it holds the 67683rd position in the national surname ranking.
Among Census respondents with the surname Assenmacher, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (3.5%) and Black (1.6%).
Origin
Meaning and origin of Assenmacher
The surname Assenmacher is of German origin, originating in the 14th century. It is a locational surname, derived from the town of Assenhausen in the region of Hesse, Germany. The name is composed of two Old German words: "asen," meaning "ash tree," and "hausen," meaning "house" or "homestead," suggesting that the original bearers of this name lived near or were associated with an ash tree house or settlement.
The earliest recorded instance of the name Assenmacher dates back to 1387, when a certain Johannes Assenmacher was mentioned in a historical document from the town of Kassel, Hesse. The name also appeared in various medieval records and manuscripts from the region, including the Heidelberg Liederhandschrift, a 14th-century manuscript containing German Minnesang poetry.
In the 16th century, the Assenmacher family was known to have lived in the town of Biedenkopf, located in the district of Marburg-Biedenkopf, Hesse. One notable member of this family was Hans Assenmacher (1490-1567), a renowned clockmaker and inventor of the striking mechanism for clocks.
Another noteworthy individual with this surname was Johann Georg Assenmacher (1670-1743), a German theologian and author who served as a pastor in the town of Gießen, Hesse. His most famous work, "Dissertatio de Aura Sanctorum," explored the concept of the aura surrounding saints and holy figures.
During the 17th and 18th centuries, the Assenmacher name spread beyond Hesse to other parts of Germany, including the regions of Bavaria and Saxony. One notable figure from this period was Friedrich Wilhelm Assenmacher (1732-1804), a German mathematician and astronomer who made significant contributions to the study of celestial mechanics.
In the 19th century, the Assenmacher family continued to be prominent in various fields. One notable individual was Karl Assenmacher (1828-1897), a German businessman and industrialist who founded the Assenmacher Ironworks in the city of Siegen, North Rhine-Westphalia.
Throughout its history, the surname Assenmacher has been associated with various place names and older spellings, such as Assenhusen, Assenhauser, and Assenhausen, reflecting its locational origins and the evolution of language over time.
Demographics
Ancestry and ethnicity for Assenmacher
Among Census respondents with the surname Assenmacher, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (3.5%) and Black (1.6%).
The bar chart below shows how Assenmacher 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 Assenmacher surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.9% · 295
- Hispanic or Latino3.5% · 11
- Black or African American1.6% · 5
- Two or more races0.6% · 2
- Asian and Pacific Islander0.3% · 1
Timeline
Historical Census data for Assenmacher
Assenmacher 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
#71,042
National surname rank
Recorded bearers 275
+10 bearers (+3.8%)
Per 100,000 0.09
Rank movement Down 1,841 places
2020
#67,683
National surname rank
Recorded bearers 314
+39 bearers (+14.2%)
Per 100,000 0.11
Rank movement Up 3,359 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #69,201 | 265 | 0.10 | First available Census row | First available Census row |
| 2010 | #71,042 | 275 | 0.09 | +10 bearers (+3.8%) | Down 1,841 places |
| 2020 | #67,683 | 314 | 0.11 | +39 bearers (+14.2%) | Up 3,359 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 Assenmacher 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 | #71,042 | #67,683 | 4.7% |
| Count | 275 | 314 | 14.2% |
| Per 100K | 0.09 | 0.11 | 16.7% |
Between the 2010 and 2020 Census, the number of Assenmacher bearers went from 275 to 314 (+14.2% change). The surname moved up 3,359 positions in the national ranking, going from #71,042 to #67,683.
FAQ
Assenmacher surname: questions and answers
How many people in the U.S. have the surname Assenmacher?
Name Census estimates that about 360 living Americans carry the surname Assenmacher. Using the current population baseline, that works out to roughly 1 in 952,095 residents.
How common is Assenmacher?
Assenmacher ranks #67,683 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.11 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 314 people with the surname Assenmacher. That is different from the site's living-bearer estimate (360), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.11 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.11 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 Assenmacher.
Has Assenmacher become more or less common over time?
Between 2010 and 2020, the surname Assenmacher went from 275 recorded bearers to 314. That is an increase of 39 (+14.2%). In the national ranking it rose from #71,042 to #67,683.
What does the Census say about the background of Assenmacher?
Among Census respondents with the surname Assenmacher, the largest self-reported group is White at 93.9%. The next largest groups are Hispanic (3.5%) and Black (1.6%). 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 Assenmacher in the 2020 Census, accounting for 93.9% (295 people in the source table).
What is the full ancestry breakdown?
Assenmacher appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.9%), Hispanic (3.5%), Black (1.6%). 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 Assenmacher (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 Assenmacher mean?
A German name derived from a combination of words meaning occupational maker of sickles. 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 Assenmacher (0.11 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 Assenmacher?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.