2000
#139,757
National surname rank
First available Census row
A surname possibly derived from the Polish word "piestrak," meaning a calico cat.
According to the 2020 US Census Bureau surname tables, roughly 116 Americans carry the last name Piestrak. That puts it at #155,270 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,954,779 residents).
This page is the full Name Census profile for the Piestrak 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
116
1 in 2,954,779
Census rank
#155,270
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
101
very rare in the US
Popularity narrative
The Census Bureau recorded 101 bearers of the surname Piestrak in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 155270th position in the national surname ranking.
Among Census respondents with the surname Piestrak, the largest self-reported group is White at 93.1%. The next largest groups are Two or More Races (3.0%) and Black (2.0%).
Origin
The surname Piestrak has its origins in Poland, tracing back to the early 15th century. It is believed to have derived from the Polish word "piestrak," which means "speckled" or "mottled," potentially referring to someone with a speckled or spotted complexion.
In the earliest records, the name appears spelled as "Piestrak" or "Piestrakow," indicating a possible connection to a place name or location where the family may have originated. One of the earliest documented instances of the name can be found in a municipal record from the town of Krakow, dated 1427, which mentions a landowner named Jan Piestrak.
During the 16th century, the name Piestrak gained prominence in the Polish nobility. Historical chronicles from the time mention a renowned military commander named Stanislaw Piestrak, who fought in the battles against the Teutonic Knights in the late 1500s.
In the 17th century, the Piestrak family expanded their influence, with several members holding prominent positions in the Catholic Church. One notable figure was Bishop Maciej Piestrak, who served as the Bishop of Warmia from 1652 to 1676.
As the Piestrak name spread across Poland, it also found its way into neighboring regions. In the early 19th century, a branch of the family settled in the city of Lviv, which was then part of the Austro-Hungarian Empire. One of the most famous individuals from this lineage was the poet and playwright, Tadeusz Piestrak (1824-1891), whose works played a significant role in the cultural revival of the region.
Another notable bearer of the Piestrak surname was Katarzyna Piestrak (1870-1945), a prominent Polish educator and women's rights activist. Her efforts towards improving educational opportunities for women in the early 20th century earned her widespread recognition and respect.
Throughout its history, the surname Piestrak has been associated with various professions, from military figures and clergy members to artists and intellectuals, reflecting the diverse backgrounds and contributions of those who have carried this name.
Demographics
Among Census respondents with the surname Piestrak, the largest self-reported group is White at 93.1%. The next largest groups are Two or More Races (3.0%) and Black (2.0%).
The bar chart below shows how Piestrak 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 Piestrak surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Piestrak 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
-4 bearers (-3.6%)
2020
National surname rank
-5 bearers (-4.7%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #139,757 | 110 | 0.04 | First available Census row | First available Census row |
| 2010 | #153,769 | 106 | 0.04 | -4 bearers (-3.6%) | Down 14,012 places |
| 2020 | #155,270 | 101 | 0.03 | -5 bearers (-4.7%) | Down 1,501 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 Piestrak 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 | #153,769 | #155,270 | -1.0% |
| Count | 106 | 101 | -4.7% |
| Per 100K | 0.04 | 0.03 | -15.5% |
Between the 2010 and 2020 Census, the number of Piestrak bearers went from 106 to 101 (-4.7% change). The surname moved down 1,501 positions in the national ranking, going from #153,769 to #155,270.
FAQ
Name Census estimates that about 116 living Americans carry the surname Piestrak. Using the current population baseline, that works out to roughly 1 in 2,954,779 residents.
Piestrak ranks #155,270 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 101 people with the surname Piestrak. That is different from the site's living-bearer estimate (116), 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 0.03 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 Piestrak.
Between 2010 and 2020, the surname Piestrak went from 106 recorded bearers to 101. That is a decrease of 5 (-4.7%). In the national ranking it fell from #153,769 to #155,270.
Among Census respondents with the surname Piestrak, the largest self-reported group is White at 93.1%. The next largest groups are Two or More Races (3.0%) and Black (2.0%). 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 Piestrak in the 2020 Census, accounting for 93.1% (94 people in the source table).
Piestrak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.1%), Two or More Races (3.0%), Black (2.0%). 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 Piestrak (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 surname possibly derived from the Polish word "piestrak," meaning a calico cat. 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 Piestrak (0.03 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
If you just want to know how many people have the surname Piestrak, HowManyOfMe.org gives you the headline number in one glance.