2000
#142,819
National surname rank
Recorded bearers 107
First available Census row
Per 100,000 0.04
Very Rare Last name
Trudnak
A Slavic surname potentially derived from a word meaning "labor" or "toil".
According to the 2020 US Census Bureau surname tables, roughly 130 Americans carry the last name Trudnak. That puts it at #147,221 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,636,572 residents).
This page is the full Name Census profile for the Trudnak 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
130
1 in 2,636,572
Census rank
#147,221
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
113
very rare in the US
Popularity narrative
The Census Bureau recorded 113 bearers of the surname Trudnak in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 147221st position in the national surname ranking.
Among Census respondents with the surname Trudnak, the largest self-reported group is White at 88.5%. The next largest groups are Hispanic (5.3%) and Two or More Races (3.5%).
Origin
Meaning and origin of Trudnak
The surname TRUDNAK is believed to have originated in the region of modern-day Poland, likely during the early to mid-15th century. It is thought to be derived from the Old Polish word "trud," meaning "toil" or "labor," possibly indicating a connection to manual labor or a specific trade or occupation.
Some historical records suggest that the earliest known instances of the TRUDNAK surname can be traced back to the town of Trzydnik Duży, located in the Subcarpathian Voivodeship of southeastern Poland. The name may have originally referred to an individual or family hailing from this area, with the spelling evolving over time to its current form.
One of the earliest documented references to the TRUDNAK surname can be found in the Metryka Koronna, a series of historical records maintained by the Polish Crown Chancery from the late 15th to the 18th century. An entry from 1542 mentions a certain Jan TRUDNAK, a landowner in the village of Trzydnik Duży.
In the 16th century, the TRUDNAK name appears to have spread beyond its initial regional confines, with records indicating individuals bearing this surname residing in various parts of Poland. Notable examples include Tomasz TRUDNAK (c. 1530–1602), a merchant and alderman in the city of Kraków, and Katarzyna TRUDNAK (1568–1624), a prominent landowner and philanthropist in the Lublin region.
During the 17th and 18th centuries, the TRUDNAK surname continued to be represented among the Polish nobility and gentry. One notable figure was Jan Andrzej TRUDNAK (1675–1739), a military officer who distinguished himself during the Great Northern War against Sweden.
As the TRUDNAK family spread across Europe in later centuries, the surname underwent various spelling variations, such as TRUDNIAK, TRUDNYK, and TRUDNIK. Among the notable bearers of this name in more recent times was Stanisław TRUDNAK (1842–1912), a Polish poet and writer known for his works celebrating the beauty of the Subcarpathian region.
While the TRUDNAK surname is relatively uncommon globally, it remains firmly rooted in its Polish origins and continues to be carried by individuals of Polish descent around the world.
Demographics
Ancestry and ethnicity for Trudnak
Among Census respondents with the surname Trudnak, the largest self-reported group is White at 88.5%. The next largest groups are Hispanic (5.3%) and Two or More Races (3.5%).
The bar chart below shows how Trudnak 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 Trudnak surname at the time of the 2020 Census, not any inherent property of the name itself.
- White88.5% · 100
- Hispanic or Latino5.3% · 6
- Two or more races3.5% · 4
- Asian and Pacific Islander2.7% · 3
Timeline
Historical Census data for Trudnak
Trudnak 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
#137,327
National surname rank
Recorded bearers 122
+15 bearers (+14.0%)
Per 100,000 0.04
Rank movement Up 5,492 places
2020
#147,221
National surname rank
Recorded bearers 113
-9 bearers (-7.4%)
Per 100,000 0.04
Rank movement Down 9,894 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #142,819 | 107 | 0.04 | First available Census row | First available Census row |
| 2010 | #137,327 | 122 | 0.04 | +15 bearers (+14.0%) | Up 5,492 places |
| 2020 | #147,221 | 113 | 0.04 | -9 bearers (-7.4%) | Down 9,894 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 Trudnak 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 | #137,327 | #147,221 | -7.2% |
| Count | 122 | 113 | -7.4% |
| Per 100K | 0.04 | 0.04 | -5.5% |
Between the 2010 and 2020 Census, the number of Trudnak bearers went from 122 to 113 (-7.4% change). The surname moved down 9,894 positions in the national ranking, going from #137,327 to #147,221.
FAQ
Trudnak surname: questions and answers
How many people in the U.S. have the surname Trudnak?
Name Census estimates that about 130 living Americans carry the surname Trudnak. Using the current population baseline, that works out to roughly 1 in 2,636,572 residents.
How common is Trudnak?
Trudnak ranks #147,221 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 113 people with the surname Trudnak. That is different from the site's living-bearer estimate (130), 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 Trudnak.
Has Trudnak become more or less common over time?
Between 2010 and 2020, the surname Trudnak went from 122 recorded bearers to 113. That is a decrease of 9 (-7.4%). In the national ranking it fell from #137,327 to #147,221.
What does the Census say about the background of Trudnak?
Among Census respondents with the surname Trudnak, the largest self-reported group is White at 88.5%. The next largest groups are Hispanic (5.3%) and Two or More Races (3.5%). 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 Trudnak in the 2020 Census, accounting for 88.5% (100 people in the source table).
What is the full ancestry breakdown?
Trudnak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (88.5%), Hispanic (5.3%), Two or More Races (3.5%). 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 Trudnak (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 Trudnak mean?
A Slavic surname potentially derived from a word meaning "labor" or "toil". 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 Trudnak (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 Trudnak?
For a quick modern take, check how common the surname Trudnak is on our sister site HowManyOfMe.org.