2000
#124,872
National surname rank
Recorded bearers 127
First available Census row
Per 100,000 0.05
Very Rare Last name
Klucker
A German surname possibly derived from the dialectal word "klucken" meaning to hatch or brood.
According to the 2020 US Census Bureau surname tables, roughly 138 Americans carry the last name Klucker. That puts it at #142,049 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,483,727 residents).
This page is the full Name Census profile for the Klucker 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
138
1 in 2,483,727
Census rank
#142,049
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
120
very rare in the US
Popularity narrative
The Census Bureau recorded 120 bearers of the surname Klucker in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 142049th position in the national surname ranking.
Among Census respondents with the surname Klucker, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.0%) and Two or More Races (3.3%).
Origin
Meaning and origin of Klucker
The surname KLUCKER has its origins in the Germanic region of Central Europe, likely emerging in the late medieval period around the 13th or 14th century. It is believed to derive from the Old German word "kluck" or "klucken," which referred to the clucking sound made by hens or chickens. This suggests that the name may have originally been an occupational surname, given to someone who worked with poultry or in a related trade.
One of the earliest recorded instances of the name appears in the Codex Diplomaticus Brandenburgensis, a collection of historical documents from the Margraviate of Brandenburg, dating back to the 15th century. In this record, a certain "Hanns Klucker" is mentioned as a resident of the town of Bernau in the year 1487.
During the 16th century, variations of the name such as "Cluckerus" and "Kluckner" can be found in various church records and municipal registers across regions like Saxony and Silesia. This suggests that the name had spread across different parts of the German-speaking lands by that time.
In the 17th century, a notable figure bearing the name was Johann Klucker (1609-1677), a German jurist and professor of law at the University of Leipzig. His writings on legal theory and practice were influential during his time.
Another individual of note was Christoph Klucker (1721-1789), a German Lutheran theologian and pastor who served in the town of Wittenberg, the birthplace of the Protestant Reformation. He was known for his scholarly works on biblical exegesis and church history.
In the 19th century, one of the most prominent individuals with the surname KLUCKER was Karl Klucker (1809-1888), a Prussian military officer and author. He served in the Prussian army during the Revolutions of 1848 and later wrote several books on military tactics and strategy.
Other notable figures include Wilhelm Klucker (1865-1941), a German architect who designed several notable buildings in Berlin and other cities, and Erich Klucker (1892-1957), a German painter and printmaker whose works often depicted landscapes and rural scenes.
While the surname KLUCKER remains relatively uncommon, it continues to be found in various parts of Germany, as well as in other countries with a significant German diaspora, such as the United States, Canada, and Australia.
Demographics
Ancestry and ethnicity for Klucker
Among Census respondents with the surname Klucker, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.0%) and Two or More Races (3.3%).
The bar chart below shows how Klucker 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 Klucker surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.0% · 108
- Hispanic or Latino5.0% · 6
- Two or more races3.3% · 4
- Asian and Pacific Islander0.8% · 1
- American Indian and Alaska Native0.8% · 1
Timeline
Historical Census data for Klucker
Klucker 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
#144,141
National surname rank
Recorded bearers 115
-12 bearers (-9.4%)
Per 100,000 0.04
Rank movement Down 19,269 places
2020
#142,049
National surname rank
Recorded bearers 120
+5 bearers (+4.3%)
Per 100,000 0.04
Rank movement Up 2,092 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #124,872 | 127 | 0.05 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | -12 bearers (-9.4%) | Down 19,269 places |
| 2020 | #142,049 | 120 | 0.04 | +5 bearers (+4.3%) | Up 2,092 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 Klucker 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 | #144,141 | #142,049 | 1.5% |
| Count | 115 | 120 | 4.3% |
| Per 100K | 0.04 | 0.04 | 0.4% |
Between the 2010 and 2020 Census, the number of Klucker bearers went from 115 to 120 (+4.3% change). The surname moved up 2,092 positions in the national ranking, going from #144,141 to #142,049.
FAQ
Klucker surname: questions and answers
How many people in the U.S. have the surname Klucker?
Name Census estimates that about 138 living Americans carry the surname Klucker. Using the current population baseline, that works out to roughly 1 in 2,483,727 residents.
How common is Klucker?
Klucker ranks #142,049 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 120 people with the surname Klucker. That is different from the site's living-bearer estimate (138), 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 Klucker.
Has Klucker become more or less common over time?
Between 2010 and 2020, the surname Klucker went from 115 recorded bearers to 120. That is an increase of 5 (+4.3%). In the national ranking it rose from #144,141 to #142,049.
What does the Census say about the background of Klucker?
Among Census respondents with the surname Klucker, the largest self-reported group is White at 90.0%. The next largest groups are Hispanic (5.0%) and Two or More Races (3.3%). 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 Klucker in the 2020 Census, accounting for 90.0% (108 people in the source table).
What is the full ancestry breakdown?
Klucker appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.0%), Hispanic (5.0%), Two or More Races (3.3%). 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 Klucker (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 Klucker mean?
A German surname possibly derived from the dialectal word "klucken" meaning to hatch or brood. 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 Klucker (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 Klucker?
Want to know how many people have the last name Klucker? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.