2000
#128,797
National surname rank
Recorded bearers 122
First available Census row
Per 100,000 0.05
Very Rare Last name
Klenck
An old German surname likely derived from a topographic name for someone living near a ravine.
According to the 2020 US Census Bureau surname tables, roughly 135 Americans carry the last name Klenck. That puts it at #143,511 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,538,921 residents).
This page is the full Name Census profile for the Klenck 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
135
1 in 2,538,921
Census rank
#143,511
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
118
very rare in the US
Popularity narrative
The Census Bureau recorded 118 bearers of the surname Klenck in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 143511th position in the national surname ranking.
Among Census respondents with the surname Klenck, the largest self-reported group is White at 96.6%. The next largest groups are Two or More Races (2.5%) and Hispanic (0.8%).
Origin
Meaning and origin of Klenck
The surname Klenck is of German origin, tracing its roots back to the medieval era. The name is believed to have derived from the German word "klenken," which means "to bend" or "to turn." This suggests that the name may have originated as an occupational surname, referring to someone who worked as a locksmith or metalworker, bending and shaping metal.
One of the earliest recorded mentions of the Klenck surname can be found in the Codex Diplomaticus Silesiae, a collection of historical documents from the region of Silesia (now part of Poland and the Czech Republic), dated back to the 13th century. The name appeared as "Clencke" in these records, reflecting the early spelling variations common in that era.
In the 14th century, the Klenck name was also documented in various records from the German regions of Bavaria and Saxony. This suggests that the name had spread across different parts of what is now modern-day Germany during the Middle Ages.
One notable historical figure bearing the Klenck surname was Johann Klenck (1310-1388), a German blacksmith and metalworker from the town of Nuremberg. His craftsmanship was highly regarded, and he is credited with contributing to the development of the city's metalworking industry.
Another prominent individual with the Klenck name was Konrad Klenck (1545-1612), a German Lutheran theologian and author. He served as a professor of theology at the University of Wittenberg and wrote several influential works on Protestant doctrine.
In the 18th century, Johann Michael Klenck (1705-1784) was a German artist and engraver from Augsburg. His etchings and engravings, particularly those depicting landscapes and architectural scenes, gained him considerable recognition during his lifetime.
The Klenck surname also found its way to other parts of Europe, including the Netherlands. One notable Dutch bearer of the name was Pieter Klenck (1778-1843), a successful merchant and entrepreneur who established several trading companies in Amsterdam.
As the centuries passed, the Klenck name continued to spread across various regions, with variations in spelling emerging, such as Klenk, Klenke, and Klencke. However, the core meaning and origin of the surname remained rooted in its German heritage, reflecting the rich history and legacy of this family name.
Demographics
Ancestry and ethnicity for Klenck
Among Census respondents with the surname Klenck, the largest self-reported group is White at 96.6%. The next largest groups are Two or More Races (2.5%) and Hispanic (0.8%).
The bar chart below shows how Klenck 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 Klenck surname at the time of the 2020 Census, not any inherent property of the name itself.
- White96.6% · 114
- Two or more races2.5% · 3
- Hispanic or Latino0.8% · 1
Timeline
Historical Census data for Klenck
Klenck 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
#129,047
National surname rank
Recorded bearers 132
+10 bearers (+8.2%)
Per 100,000 0.04
Rank movement Down 250 places
2020
#143,511
National surname rank
Recorded bearers 118
-14 bearers (-10.6%)
Per 100,000 0.04
Rank movement Down 14,464 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #128,797 | 122 | 0.05 | First available Census row | First available Census row |
| 2010 | #129,047 | 132 | 0.04 | +10 bearers (+8.2%) | Down 250 places |
| 2020 | #143,511 | 118 | 0.04 | -14 bearers (-10.6%) | Down 14,464 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 Klenck 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 | #129,047 | #143,511 | -11.2% |
| Count | 132 | 118 | -10.6% |
| Per 100K | 0.04 | 0.04 | -1.3% |
Between the 2010 and 2020 Census, the number of Klenck bearers went from 132 to 118 (-10.6% change). The surname moved down 14,464 positions in the national ranking, going from #129,047 to #143,511.
FAQ
Klenck surname: questions and answers
How many people in the U.S. have the surname Klenck?
Name Census estimates that about 135 living Americans carry the surname Klenck. Using the current population baseline, that works out to roughly 1 in 2,538,921 residents.
How common is Klenck?
Klenck ranks #143,511 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 118 people with the surname Klenck. That is different from the site's living-bearer estimate (135), 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 Klenck.
Has Klenck become more or less common over time?
Between 2010 and 2020, the surname Klenck went from 132 recorded bearers to 118. That is a decrease of 14 (-10.6%). In the national ranking it fell from #129,047 to #143,511.
What does the Census say about the background of Klenck?
Among Census respondents with the surname Klenck, the largest self-reported group is White at 96.6%. The next largest groups are Two or More Races (2.5%) and Hispanic (0.8%). 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 Klenck in the 2020 Census, accounting for 96.6% (114 people in the source table).
What is the full ancestry breakdown?
Klenck appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.6%), Two or More Races (2.5%), Hispanic (0.8%). 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 Klenck (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 Klenck mean?
An old German surname likely derived from a topographic name for someone living near a ravine. 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 Klenck (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 Klenck?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.