2000
#133,114
National surname rank
Recorded bearers 117
First available Census row
Per 100,000 0.04
Very Rare Last name
Klanderud
A surname of Norwegian origin meaning "a person from Klanderud".
According to the 2020 US Census Bureau surname tables, roughly 158 Americans carry the last name Klanderud. That puts it at #129,045 in the national surname ranking, appearing at a frequency of 0.05 per 100,000 people (about 1 in 2,169,331 residents).
This page is the full Name Census profile for the Klanderud 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
158
1 in 2,169,331
Census rank
#129,045
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
138
very rare in the US
Popularity narrative
The Census Bureau recorded 138 bearers of the surname Klanderud in its 2020 decennial surname file. At a rate of 0.05 per 100,000 residents, it holds the 129045th position in the national surname ranking.
Among Census respondents with the surname Klanderud, the largest self-reported group is White at 86.2%. The next largest groups are Two or More Races (10.9%) and American Indian/Alaska Native (1.4%).
Origin
Meaning and origin of Klanderud
The surname Klanderud is of Norwegian origin, originating from the Østlandet region of Norway during the Middle Ages. The name is derived from the Old Norse words "klanda," meaning "to chide or scold," and "ruð," meaning "clearing or meadow." This suggests that the name may have originally referred to someone who lived in a clearing or meadow and was known for scolding or chiding others.
One of the earliest recorded instances of the name Klanderud can be found in the Diplomatarium Norvegicum, a collection of medieval Norwegian documents dating back to the 12th century. In this collection, the name is spelled as "Klandærudh" and appears in a document from the year 1391, referring to a landowner in the region of Hedmark.
During the 16th and 17th centuries, the Klanderud name was associated with several notable figures in Norwegian history. Nils Klanderud (1540-1615) was a prominent landowner and member of the Norwegian nobility, known for his involvement in local politics and disputes over land rights. His son, Jens Klanderud (1578-1642), was a respected lawyer and judge who served on the Norwegian Supreme Court.
In the 18th century, the Klanderud name gained recognition through the work of Hans Klanderud (1712-1789), a renowned Norwegian botanist and naturalist. He was one of the first Norwegians to extensively study and document the flora and fauna of the country, and his work laid the foundation for modern Norwegian natural history.
Another notable figure with the Klanderud surname was Ingrid Klanderud (1830-1897), a pioneering Norwegian educator and advocate for women's rights. She was among the first women in Norway to receive a formal teaching education and played a significant role in promoting equal educational opportunities for women in the country.
One of the most famous individuals with the Klanderud surname in more recent history was Olav Klanderud (1892-1968), a Norwegian writer and poet. He was best known for his lyrical poetry, which often celebrated the beauty of the Norwegian landscape and rural life. Klanderud's works were widely acclaimed and contributed to the development of modern Norwegian literature.
While the Klanderud name has its origins in Norway, it has since spread to other parts of the world due to migration and immigration. However, the name remains most prevalent in its country of origin, where it continues to hold historical significance and cultural connections to the regions from which it emerged.
Demographics
Ancestry and ethnicity for Klanderud
Among Census respondents with the surname Klanderud, the largest self-reported group is White at 86.2%. The next largest groups are Two or More Races (10.9%) and American Indian/Alaska Native (1.4%).
The bar chart below shows how Klanderud 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 Klanderud surname at the time of the 2020 Census, not any inherent property of the name itself.
- White86.2% · 119
- Two or more races10.9% · 15
- American Indian and Alaska Native1.4% · 2
- Black or African American0.7% · 1
- Hispanic or Latino0.7% · 1
Timeline
Historical Census data for Klanderud
Klanderud 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
#131,379
National surname rank
Recorded bearers 129
+12 bearers (+10.3%)
Per 100,000 0.04
Rank movement Up 1,735 places
2020
#129,045
National surname rank
Recorded bearers 138
+9 bearers (+7.0%)
Per 100,000 0.05
Rank movement Up 2,334 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #133,114 | 117 | 0.04 | First available Census row | First available Census row |
| 2010 | #131,379 | 129 | 0.04 | +12 bearers (+10.3%) | Up 1,735 places |
| 2020 | #129,045 | 138 | 0.05 | +9 bearers (+7.0%) | Up 2,334 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 Klanderud 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 | #131,379 | #129,045 | 1.8% |
| Count | 129 | 138 | 7.0% |
| Per 100K | 0.04 | 0.05 | 15.4% |
Between the 2010 and 2020 Census, the number of Klanderud bearers went from 129 to 138 (+7.0% change). The surname moved up 2,334 positions in the national ranking, going from #131,379 to #129,045.
FAQ
Klanderud surname: questions and answers
How many people in the U.S. have the surname Klanderud?
Name Census estimates that about 158 living Americans carry the surname Klanderud. Using the current population baseline, that works out to roughly 1 in 2,169,331 residents.
How common is Klanderud?
Klanderud ranks #129,045 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.05 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 138 people with the surname Klanderud. That is different from the site's living-bearer estimate (158), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.05 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.05 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 Klanderud.
Has Klanderud become more or less common over time?
Between 2010 and 2020, the surname Klanderud went from 129 recorded bearers to 138. That is an increase of 9 (+7.0%). In the national ranking it rose from #131,379 to #129,045.
What does the Census say about the background of Klanderud?
Among Census respondents with the surname Klanderud, the largest self-reported group is White at 86.2%. The next largest groups are Two or More Races (10.9%) and American Indian/Alaska Native (1.4%). 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 Klanderud in the 2020 Census, accounting for 86.2% (119 people in the source table).
What is the full ancestry breakdown?
Klanderud appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (86.2%), Two or More Races (10.9%), American Indian/Alaska Native (1.4%). 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 Klanderud (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 Klanderud mean?
A surname of Norwegian origin meaning "a person from Klanderud". 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 Klanderud (0.05 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 Klanderud?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.