2000
#147,095
National surname rank
Recorded bearers 103
First available Census row
Per 100,000 0.04
Very Rare Last name
Sierzputowski
A Polish toponymic surname denoting someone from a place called Sierzputy.
According to the 2020 US Census Bureau surname tables, roughly 127 Americans carry the last name Sierzputowski. That puts it at #148,665 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,698,853 residents).
This page is the full Name Census profile for the Sierzputowski 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
127
1 in 2,698,853
Census rank
#148,665
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
111
very rare in the US
Popularity narrative
The Census Bureau recorded 111 bearers of the surname Sierzputowski in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 148665th position in the national surname ranking.
Among Census respondents with the surname Sierzputowski, the largest self-reported group is White at 95.5%. The next largest groups are Two or More Races (2.7%) and Black (1.8%).
Origin
Meaning and origin of Sierzputowski
The surname SIERZPUTOWSKI is of Polish origin, with its roots traced back to the early 15th century. It is believed to have originated from the region of Wielkopolska, which was a historical province located in west-central Poland. The name itself is derived from the Polish words "sierp" meaning "sickle" and "putowski," which could refer to a person's occupation or a specific location.
One of the earliest recorded instances of the SIERZPUTOWSKI name can be found in a document from the Poznan Archives, dated 1412. This document mentions a landowner named Jan SIERZPUTOWSKI, who owned a parcel of land near the village of Putowo. The name "Putowo" itself is thought to be an older spelling of the word "putowski," further reinforcing the connection between the surname and this particular location.
In the 16th century, the SIERZPUTOWSKI family gained prominence in the region, with several members serving in various military and administrative roles. Notable individuals from this period include Bartosz SIERZPUTOWSKI (1523-1587), who was a commander in the Polish army during the Polish-Teutonic War, and Katarzyna SIERZPUTOWSKA (1548-1621), a noblewoman known for her philanthropic efforts in supporting local churches and educational institutions.
As the centuries passed, the SIERZPUTOWSKI name began to spread throughout other regions of Poland. In the 18th century, Jakub SIERZPUTOWSKI (1692-1768) was a prominent scholar and educator who taught at the Jagiellonian University in Krakow. His treatises on philosophy and theology were widely studied and influential during that era.
During the 19th century, the SIERZPUTOWSKI family continued to make their mark in various fields. Józef SIERZPUTOWSKI (1818-1892) was a renowned artist and painter, whose works depicting Polish landscapes and historical events are still celebrated today. Teodor SIERZPUTOWSKI (1842-1907), on the other hand, was a pioneering engineer who contributed significantly to the development of early railroad infrastructure in Poland.
Another notable figure with the SIERZPUTOWSKI surname was Wanda SIERZPUTOWSKA (1905-1988), a celebrated author and poet who was active during the interwar period and the years following World War II. Her works, often exploring themes of love, loss, and the human condition, earned her numerous literary awards and recognition throughout Poland.
While the SIERZPUTOWSKI name has maintained a strong presence in Poland over the centuries, it has also been carried by individuals and families who have migrated to other parts of the world, contributing to the rich tapestry of cultural diversity in their respective communities.
Demographics
Ancestry and ethnicity for Sierzputowski
Among Census respondents with the surname Sierzputowski, the largest self-reported group is White at 95.5%. The next largest groups are Two or More Races (2.7%) and Black (1.8%).
The bar chart below shows how Sierzputowski 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 Sierzputowski surname at the time of the 2020 Census, not any inherent property of the name itself.
- White95.5% · 106
- Two or more races2.7% · 3
- Black or African American1.8% · 2
Timeline
Historical Census data for Sierzputowski
Sierzputowski 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
#139,228
National surname rank
Recorded bearers 120
+17 bearers (+16.5%)
Per 100,000 0.04
Rank movement Up 7,867 places
2020
#148,665
National surname rank
Recorded bearers 111
-9 bearers (-7.5%)
Per 100,000 0.04
Rank movement Down 9,437 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #147,095 | 103 | 0.04 | First available Census row | First available Census row |
| 2010 | #139,228 | 120 | 0.04 | +17 bearers (+16.5%) | Up 7,867 places |
| 2020 | #148,665 | 111 | 0.04 | -9 bearers (-7.5%) | Down 9,437 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 Sierzputowski 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 | #139,228 | #148,665 | -6.8% |
| Count | 120 | 111 | -7.5% |
| Per 100K | 0.04 | 0.04 | -7.2% |
Between the 2010 and 2020 Census, the number of Sierzputowski bearers went from 120 to 111 (-7.5% change). The surname moved down 9,437 positions in the national ranking, going from #139,228 to #148,665.
FAQ
Sierzputowski surname: questions and answers
How many people in the U.S. have the surname Sierzputowski?
Name Census estimates that about 127 living Americans carry the surname Sierzputowski. Using the current population baseline, that works out to roughly 1 in 2,698,853 residents.
How common is Sierzputowski?
Sierzputowski ranks #148,665 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 111 people with the surname Sierzputowski. That is different from the site's living-bearer estimate (127), 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 Sierzputowski.
Has Sierzputowski become more or less common over time?
Between 2010 and 2020, the surname Sierzputowski went from 120 recorded bearers to 111. That is a decrease of 9 (-7.5%). In the national ranking it fell from #139,228 to #148,665.
What does the Census say about the background of Sierzputowski?
Among Census respondents with the surname Sierzputowski, the largest self-reported group is White at 95.5%. The next largest groups are Two or More Races (2.7%) and Black (1.8%). 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 Sierzputowski in the 2020 Census, accounting for 95.5% (106 people in the source table).
What is the full ancestry breakdown?
Sierzputowski appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (95.5%), Two or More Races (2.7%), Black (1.8%). 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 Sierzputowski (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 Sierzputowski mean?
A Polish toponymic surname denoting someone from a place called Sierzputy. 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 Sierzputowski (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 common is the surname Sierzputowski?
Want to know how many people are called Sierzputowski? HowManyOfMe.org, our sister site, puts the living-bearer count front and centre.