2000
#148,244
National surname rank
Recorded bearers 102
First available Census row
Per 100,000 0.04
Very Rare Last name
Dmuchowski
A Polish surname derived from a word meaning "to blow", possibly referring to a profession involving blowing air.
According to the 2020 US Census Bureau surname tables, roughly 125 Americans carry the last name Dmuchowski. 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 Dmuchowski 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 Dmuchowski 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 Dmuchowski, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (6.4%) and Two or More Races (4.6%).
Origin
Meaning and origin of Dmuchowski
The surname DMUCHOWSKI is of Polish origin, with its earliest roots dating back to the 14th century. It is derived from the Polish verb "dmuchać," meaning "to blow" or "to puff," and the suffix "-owski," which indicates a place of origin or association. This suggests that the name may have been given to someone who lived near a windy or drafty area or who worked in a profession related to blowing or puffing, such as a blacksmith or glassblower.
The earliest recorded instances of the DMUCHOWSKI surname can be found in various historical documents from the region of Lesser Poland, particularly in the area around the city of Kraków. One notable example is a land deed from 1382 that mentions a certain "Jan Dmuchowski" as a landowner in the village of Dmuchowice, which likely took its name from the same root as the surname.
In the 16th century, the DMUCHOWSKI name appeared in the records of the Jagiellonian University in Kraków, indicating that members of the family were among the educated elite of the time. A prominent figure from this period was Marcin Dmuchowski (1505-1568), a Polish nobleman and diplomat who served as a court secretary and envoy to the Holy Roman Empire.
As the centuries progressed, the DMUCHOWSKI name spread to other parts of Poland, with various branches of the family establishing themselves in different regions. One notable individual was Franciszek Dmuchowski (1771-1840), a Polish politician and writer who played a significant role in the Polish Uprising against Russian rule in 1830-1831.
Another noteworthy DMUCHOWSKI was Jan Józef Dmuchowski (1889-1951), a Polish military officer and diplomat who served as the Polish ambassador to Germany in the years leading up to World War II. He played a crucial role in warning the Polish government about the growing threat posed by Nazi Germany.
Throughout its long history, the DMUCHOWSKI surname has been associated with various professions and social classes, from landowners and nobles to scholars, military officers, and diplomats. While the specific origins of the name may be lost to time, its enduring presence in Polish history serves as a testament to the resilience and adaptability of this ancient lineage.
Demographics
Ancestry and ethnicity for Dmuchowski
Among Census respondents with the surname Dmuchowski, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (6.4%) and Two or More Races (4.6%).
The bar chart below shows how Dmuchowski 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 Dmuchowski surname at the time of the 2020 Census, not any inherent property of the name itself.
- White87.2% · 95
- Hispanic or Latino6.4% · 7
- Two or more races4.6% · 5
- Asian and Pacific Islander0.9% · 1
- American Indian and Alaska Native0.9% · 1
Timeline
Historical Census data for Dmuchowski
Dmuchowski 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
+13 bearers (+12.7%)
Per 100,000 0.04
Rank movement Up 4,103 places
2020
#150,205
National surname rank
Recorded bearers 109
-6 bearers (-5.2%)
Per 100,000 0.04
Rank movement Down 6,064 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #148,244 | 102 | 0.04 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | +13 bearers (+12.7%) | Up 4,103 places |
| 2020 | #150,205 | 109 | 0.04 | -6 bearers (-5.2%) | Down 6,064 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 Dmuchowski 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 | #150,205 | -4.2% |
| Count | 115 | 109 | -5.2% |
| Per 100K | 0.04 | 0.04 | -8.8% |
Between the 2010 and 2020 Census, the number of Dmuchowski bearers went from 115 to 109 (-5.2% change). The surname moved down 6,064 positions in the national ranking, going from #144,141 to #150,205.
FAQ
Dmuchowski surname: questions and answers
How many people in the U.S. have the surname Dmuchowski?
Name Census estimates that about 125 living Americans carry the surname Dmuchowski. Using the current population baseline, that works out to roughly 1 in 2,742,035 residents.
How common is Dmuchowski?
Dmuchowski 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 109 people with the surname Dmuchowski. 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.
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 Dmuchowski.
Has Dmuchowski become more or less common over time?
Between 2010 and 2020, the surname Dmuchowski went from 115 recorded bearers to 109. That is a decrease of 6 (-5.2%). In the national ranking it fell from #144,141 to #150,205.
What does the Census say about the background of Dmuchowski?
Among Census respondents with the surname Dmuchowski, the largest self-reported group is White at 87.2%. The next largest groups are Hispanic (6.4%) and Two or More Races (4.6%). 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 Dmuchowski in the 2020 Census, accounting for 87.2% (95 people in the source table).
What is the full ancestry breakdown?
Dmuchowski appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.2%), Hispanic (6.4%), Two or More Races (4.6%). 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 Dmuchowski (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 Dmuchowski mean?
A Polish surname derived from a word meaning "to blow", possibly referring to a profession involving blowing air. 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 Dmuchowski (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 have the surname Dmuchowski?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.