2000
#139,757
National surname rank
First available Census row
A German surname that refers to someone who lived near a long rock or ridge.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Langrock. That puts it at #150,205 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,742,035 residents).
This page is the full Name Census profile for the Langrock 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
125
1 in 2,742,035
Census rank
#150,205
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
109
very rare in the US
Popularity narrative
The Census Bureau recorded 109 bearers of the surname Langrock in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150205th position in the national surname ranking.
Among Census respondents with the surname Langrock, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.4%) and Two or More Races (2.8%).
Origin
The surname Langrock has its origins in Germany, with records indicating its presence as early as the 13th century. It is believed to be derived from the Old German words "lang" meaning long and "rock" referring to a coat or cloak, suggesting that it may have originally denoted someone who wore a long cloak or garment.
One of the earliest recorded instances of the name can be found in the Codex Diplomaticus Saxoniae, a collection of medieval documents from the region of Saxony, where a certain Henricus Langrock is mentioned in an entry dated 1285. This suggests that the name was already established in the area at that time.
The Langrock name also appears in the Bürgermeisterbuch, a historical record of the mayors and city councilors of the city of Erfurt, dating back to the 14th century. In 1367, a Johannes Langrock is listed as having held the position of a city councilor.
During the Renaissance period, a notable figure bearing this surname was Christoph Langrock, a German mathematician and astronomer born in 1516 in Naumburg. He is known for his contributions to the development of astronomical instruments and for his work on improving calculations of planetary motions.
In the 18th century, a prominent Langrock was Johann Friedrich Langrock, a German theologian and philosopher born in 1724 in Halle. He taught at the University of Halle and wrote several works on theology and philosophy, including a treatise on the existence of God.
Another noteworthy individual with this surname was Karl Langrock, a German architect born in 1845 in Dresden. He was responsible for the design of several notable buildings in Dresden, including the Semper Opera House and the Albertinum Museum.
While the Langrock name has its roots in Germany, it has since spread to other parts of the world through migration and immigration. However, its origins can be traced back to the medieval period in the German regions, where it likely emerged as a descriptive surname reflecting the clothing or occupation of its earliest bearers.
Demographics
Among Census respondents with the surname Langrock, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.4%) and Two or More Races (2.8%).
The bar chart below shows how Langrock 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 Langrock surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Langrock 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.
2000
National surname rank
First available Census row
2010
National surname rank
-3 bearers (-2.7%)
2020
National surname rank
+2 bearers (+1.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #139,757 | 110 | 0.04 | First available Census row | First available Census row |
| 2010 | #152,628 | 107 | 0.04 | -3 bearers (-2.7%) | Down 12,871 places |
| 2020 | #150,205 | 109 | 0.04 | +2 bearers (+1.9%) | Up 2,423 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 Langrock 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 | #152,628 | #150,205 | 1.6% |
| Count | 107 | 109 | 1.9% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Langrock bearers went from 107 to 109 (+1.9% change). The surname moved up 2,423 positions in the national ranking, going from #152,628 to #150,205.
FAQ
Name Census estimates that about 125 living Americans carry the surname Langrock. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
Langrock ranks #150,205 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.
The raw 2020 Census file counted 109 people with the surname Langrock. That is different from the site's living-bearer estimate (125), 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 0.04 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 Langrock.
Between 2010 and 2020, the surname Langrock went from 107 recorded bearers to 109. That is an increase of 2 (+1.9%). In the national ranking it rose from #152,628 to #150,205.
Among Census respondents with the surname Langrock, the largest self-reported group is White at 89.0%. The next largest groups are Hispanic (6.4%) and Two or More Races (2.8%). 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 Langrock in the 2020 Census, accounting for 89.0% (97 people in the source table).
Langrock appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (89.0%), Hispanic (6.4%), Two or More Races (2.8%). 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.
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 Langrock (2000, 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.
A German surname that refers to someone who lived near a long rock or ridge. 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 Langrock (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.
Our sister site HowManyOfMe.org answers how many Americans have the surname Langrock at a glance, with the living-bearer count up front.