2000
#98,298
National surname rank
First available Census row
A Polish surname derived from the word "potok" meaning stream or brook.
According to the 2020 US Census Bureau surname tables, roughly 193 Americans carry the last name Potoczak. That puts it at #111,467 in the national surname ranking, appearing at a frequency of 0.06 per 100,000 people (about 1 in 1,775,929 residents).
This page is the full Name Census profile for the Potoczak 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
193
1 in 1,775,929
Census rank
#111,467
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
168
very rare in the US
Popularity narrative
The Census Bureau recorded 168 bearers of the surname Potoczak in its 2020 decennial surname file. At a rate of 0.06 per 100,000 residents, it holds the 111467th position in the national surname ranking.
Among Census respondents with the surname Potoczak, the largest self-reported group is White at 97.0%. The next largest groups are American Indian/Alaska Native (2.4%) and Two or More Races (0.6%).
Origin
The surname "POTOCZAK" is of Polish origin, with its roots dating back to the early medieval period. This name is believed to have originated in the region of Lesser Poland, particularly in the areas around the city of Krakow.
The name "POTOCZAK" is derived from the Polish word "potok," which means "stream" or "brook." This suggests that the earliest bearers of this surname may have lived near a small river or stream, or perhaps worked in an occupation related to waterways or water management.
One of the earliest recorded instances of the name "POTOCZAK" can be found in the historical records of the city of Krakow from the 15th century. These records document a certain Jan Potoczak, who was a merchant and landowner in the city during that time.
In the 16th century, there is mention of a nobleman named Stanisław Potoczak, who served as a court official under King Sigismund I the Old (1467-1548). Stanisław's son, Jakub Potoczak (1530-1598), was a renowned scholar and philosopher who studied at the prestigious Jagiellonian University in Krakow.
Another notable figure with the surname "POTOCZAK" was Katarzyna Potoczak (1602-1668), a renowned herbalist and healer from the village of Wola Duchacka near Krakow. Her knowledge of medicinal plants and traditional remedies earned her a reputation throughout the region.
In the 18th century, a wealthy landowner named Jan Potoczak (1720-1789) was instrumental in the construction of a new church in the town of Nowy Sącz, which still stands today as a testament to his generosity and dedication to the local community.
Another prominent individual bearing the "POTOCZAK" surname was Tomasz Potoczak (1845-1912), a renowned painter and artist who was part of the Polish Renaissance movement. His paintings, which often depicted scenes from rural life and the Polish countryside, can be found in several museums and galleries throughout Poland.
Over the centuries, the surname "POTOCZAK" has maintained its strong roots in Poland, with various branches of the family spread across different regions of the country. While the name may have evolved in its spelling and pronunciation over time, its connection to the Polish heritage and the natural landscapes of the region remains an enduring part of its legacy.
Demographics
Among Census respondents with the surname Potoczak, the largest self-reported group is White at 97.0%. The next largest groups are American Indian/Alaska Native (2.4%) and Two or More Races (0.6%).
The bar chart below shows how Potoczak 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 Potoczak surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Potoczak 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
+5 bearers (+2.9%)
2020
National surname rank
-8 bearers (-4.5%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #98,298 | 171 | 0.06 | First available Census row | First available Census row |
| 2010 | #102,197 | 176 | 0.06 | +5 bearers (+2.9%) | Down 3,899 places |
| 2020 | #111,467 | 168 | 0.06 | -8 bearers (-4.5%) | Down 9,270 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 Potoczak 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 | #102,197 | #111,467 | -9.1% |
| Count | 176 | 168 | -4.5% |
| Per 100K | 0.06 | 0.06 | -6.3% |
Between the 2010 and 2020 Census, the number of Potoczak bearers went from 176 to 168 (-4.5% change). The surname moved down 9,270 positions in the national ranking, going from #102,197 to #111,467.
FAQ
Name Census estimates that about 193 living Americans carry the surname Potoczak. Using the current population baseline, that works out to roughly 1 in 1,775,929 residents.
Potoczak ranks #111,467 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.06 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 168 people with the surname Potoczak. That is different from the site's living-bearer estimate (193), 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 0.06 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 Potoczak.
Between 2010 and 2020, the surname Potoczak went from 176 recorded bearers to 168. That is a decrease of 8 (-4.5%). In the national ranking it fell from #102,197 to #111,467.
Among Census respondents with the surname Potoczak, the largest self-reported group is White at 97.0%. The next largest groups are American Indian/Alaska Native (2.4%) and Two or More Races (0.6%). 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 Potoczak in the 2020 Census, accounting for 97.0% (163 people in the source table).
Potoczak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (97.0%), American Indian/Alaska Native (2.4%), Two or More Races (0.6%). 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.
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 Potoczak (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 Polish surname derived from the word "potok" meaning stream or brook. 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 Potoczak (0.06 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 are called Potoczak, HowManyOfMe.org gives you the headline number in one glance.