2000
#8,545
National surname rank
First available Census row
A Polish occupational surname derived from the word "walka," meaning "fight" or "battle," likely referring to a warrior or soldier.
According to the 2020 US Census Bureau surname tables, roughly 3,752 Americans carry the last name Walczak. That puts it at #9,503 in the national surname ranking, appearing at a frequency of 1.09 per 100,000 people (about 1 in 91,352 residents).
This page is the full Name Census profile for the Walczak 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.
For British records, Name Census UK has a British surname profile for Walczak with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
3.8K
1 in 91,352
Census rank
#9,503
2020 decennial data
Per 100,000
1.1
Frequency rate
Recorded bearers
3.3K
rare in the US
Popularity narrative
The Census Bureau recorded 3,272 bearers of the surname Walczak in its 2020 decennial surname file. At a rate of 1.09 per 100,000 residents, it holds the 9503rd position in the national surname ranking.
Among Census respondents with the surname Walczak, the largest self-reported group is White at 94.8%. The next largest groups are Hispanic (3.0%) and Two or More Races (1.5%).
Origin
The surname Walczak has its origins in Poland, tracing back to the 15th century. It is derived from the Polish word "walczyć," meaning "to fight" or "to struggle." The suffix "-ak" indicates a person or occupation, suggesting that Walczak was initially used to refer to someone who fought or was a soldier.
In the early days, the name was primarily found in the regions of Greater Poland (Wielkopolska) and Lesser Poland (Małopolska), where many historical records from the 15th to 18th centuries mention individuals with this surname. Some of the earliest documented examples include Maciej Walczak, a landowner from the village of Koźmin in 1472, and Jan Walczak, a soldier from Krakow, who participated in the Polish-Swedish War in the 17th century.
The Walczak surname has also been associated with various place names in Poland, such as Walczachów, Walczachowo, and Walczaki, which may have influenced the surname's development. These place names are believed to have originated from the same root word, "walczyć," indicating areas where people engaged in battles or struggles.
One of the earliest documented instances of the Walczak surname in historical records is found in the Liber Beneficiorum, a 15th-century manuscript detailing church benefices in the Diocese of Krakow. This document mentions a certain Stanisław Walczak, who held a position in the church during that time.
Throughout history, several notable individuals have borne the Walczak surname. These include:
1. Jerzy Walczak (1555-1618), a Polish nobleman and military commander who fought in the Polish-Muscovite War.
2. Katarzyna Walczak (1768-1829), a Polish peasant and revolutionary who participated in the Kościuszko Uprising against the Russian Empire.
3. Feliks Walczak (1826-1891), a Polish writer and journalist known for his contributions to the development of the Polish language and literature.
4. Józef Walczak (1889-1945), a Polish politician and member of the Sejm (Polish parliament) during the interwar period.
5. Kazimierz Walczak (1916-1984), a Polish artist and painter whose works are showcased in several museums across Poland.
While the Walczak surname has its roots in Poland, it has also spread to other parts of the world due to migration and diaspora communities. However, the name's rich history and connections to the Polish language and culture remain an integral part of its identity.
Demographics
Among Census respondents with the surname Walczak, the largest self-reported group is White at 94.8%. The next largest groups are Hispanic (3.0%) and Two or More Races (1.5%).
The bar chart below shows how Walczak 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 Walczak surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Walczak 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
-112 bearers (-3.2%)
2020
National surname rank
-165 bearers (-4.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #8,545 | 3,549 | 1.32 | First available Census row | First available Census row |
| 2010 | #9,466 | 3,437 | 1.17 | -112 bearers (-3.2%) | Down 921 places |
| 2020 | #9,503 | 3,272 | 1.09 | -165 bearers (-4.8%) | Down 37 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 Walczak 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 | #9,466 | #9,503 | -0.4% |
| Count | 3,437 | 3,272 | -4.8% |
| Per 100K | 1.17 | 1.09 | -6.4% |
Between the 2010 and 2020 Census, the number of Walczak bearers went from 3,437 to 3,272 (-4.8% change). The surname moved down 37 positions in the national ranking, going from #9,466 to #9,503.
FAQ
Name Census estimates that about 3,752 living Americans carry the surname Walczak. Using the current population baseline, that works out to roughly 1 in 91,352 residents.
Walczak ranks #9,503 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.09 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 3,272 people with the surname Walczak. That is different from the site's living-bearer estimate (3,752), 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 1.09 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Walczak.
Between 2010 and 2020, the surname Walczak went from 3,437 recorded bearers to 3,272. That is a decrease of 165 (-4.8%). In the national ranking it fell from #9,466 to #9,503.
Among Census respondents with the surname Walczak, the largest self-reported group is White at 94.8%. The next largest groups are Hispanic (3.0%) and Two or More Races (1.5%). 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 Walczak in the 2020 Census, accounting for 94.8% (3,101 people in the source table).
Walczak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.8%), Hispanic (3.0%), Two or More Races (1.5%). 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.
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 Walczak (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 occupational surname derived from the word "walka," meaning "fight" or "battle," likely referring to a warrior or soldier. 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 Walczak (1.09 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
Find out how common the surname Walczak is on our sister site HowManyOfMe.org — a quick modern estimate with the living-bearer count front and centre.