2000
#67,522
National surname rank
Recorded bearers 273
First available Census row
Per 100,000 0.10
Very Rare Last name
Ciak
A surname possibly derived from the Polish word "ciak" meaning a small farm or homestead.
According to the 2020 US Census Bureau surname tables, roughly 347 Americans carry the last name Ciak. That puts it at #69,752 in the national surname ranking, appearing at a frequency of 0.10 per 100,000 people (about 1 in 987,765 residents).
This page is the full Name Census profile for the Ciak 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
347
1 in 987,765
Census rank
#69,752
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
303
very rare in the US
Popularity narrative
The Census Bureau recorded 303 bearers of the surname Ciak in its 2020 decennial surname file. At a rate of 0.10 per 100,000 residents, it holds the 69752nd position in the national surname ranking.
Among Census respondents with the surname Ciak, the largest self-reported group is White at 94.7%. The next largest groups are Two or More Races (3.3%) and Hispanic (1.3%).
Origin
Meaning and origin of Ciak
The surname CIAK is believed to have originated in Poland, with roots dating back to the 16th century. It is thought to be derived from the Polish word "ciak," which translates to "crack" or "snap," possibly referring to a occupation or physical characteristic.
In the early days, the name was predominantly found in the central regions of Poland, particularly around the cities of Warsaw and Łódź. Historical records show variations in spelling, such as "Cjak," "Cziak," and "Czjak," which were likely due to regional dialects and scribal errors.
One of the earliest recorded instances of the surname CIAK can be found in a local parish registry from the town of Gostyń, dated 1612, where a certain Jan CIAK was listed as a resident. Another notable early reference comes from a 1637 land deed in the town of Kutno, mentioning a Maciej CIAK as a landowner.
The CIAK name gained prominence in the 18th century, with several notable figures emerging. Jakub CIAK (1712-1782) was a respected blacksmith in the city of Poznań, known for his innovative techniques and contributions to the local metalworking industry. Around the same time, Zofia CIAK (1726-1798) was a renowned herbalist and midwife in the village of Kłobuck, renowned for her extensive knowledge of traditional remedies.
In the 19th century, the CIAK surname spread further across Poland, with several individuals making their mark in various fields. Tomasz CIAK (1821-1897) was a prominent architect who designed several landmark buildings in Warsaw, including the iconic St. Alexander's Church. Marcin CIAK (1843-1912) was a respected educator and author, known for his contributions to the development of the Polish education system.
Another notable figure was Stanisław CIAK (1869-1946), a celebrated artist and painter whose works captured the beauty of the Polish countryside and rural life. His paintings are featured in several prestigious museums across the country.
As the surname CIAK spread beyond Poland's borders, it gained recognition in other parts of Europe and the world. One such example is Aleksandra CIAK (1892-1972), a pioneering aviator from Poland who became the first woman to obtain a pilot's license in her home country.
Demographics
Ancestry and ethnicity for Ciak
Among Census respondents with the surname Ciak, the largest self-reported group is White at 94.7%. The next largest groups are Two or More Races (3.3%) and Hispanic (1.3%).
The bar chart below shows how Ciak 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 Ciak surname at the time of the 2020 Census, not any inherent property of the name itself.
- White94.7% · 287
- Two or more races3.3% · 10
- Hispanic or Latino1.3% · 4
- Black or African American0.7% · 2
Timeline
Historical Census data for Ciak
Ciak 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
#71,478
National surname rank
Recorded bearers 273
+0 bearers (+0.0%)
Per 100,000 0.09
Rank movement Down 3,956 places
2020
#69,752
National surname rank
Recorded bearers 303
+30 bearers (+11.0%)
Per 100,000 0.10
Rank movement Up 1,726 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #67,522 | 273 | 0.10 | First available Census row | First available Census row |
| 2010 | #71,478 | 273 | 0.09 | +0 bearers (+0.0%) | Down 3,956 places |
| 2020 | #69,752 | 303 | 0.10 | +30 bearers (+11.0%) | Up 1,726 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 Ciak 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 | #71,478 | #69,752 | 2.4% |
| Count | 273 | 303 | 11.0% |
| Per 100K | 0.09 | 0.10 | 12.6% |
Between the 2010 and 2020 Census, the number of Ciak bearers went from 273 to 303 (+11.0% change). The surname moved up 1,726 positions in the national ranking, going from #71,478 to #69,752.
FAQ
Ciak surname: questions and answers
How many people in the U.S. have the surname Ciak?
Name Census estimates that about 347 living Americans carry the surname Ciak. Using the current population baseline, that works out to roughly 1 in 987,765 residents.
How common is Ciak?
Ciak ranks #69,752 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.10 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 303 people with the surname Ciak. That is different from the site's living-bearer estimate (347), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.1 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.10 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 Ciak.
Has Ciak become more or less common over time?
Between 2010 and 2020, the surname Ciak went from 273 recorded bearers to 303. That is an increase of 30 (+11.0%). In the national ranking it rose from #71,478 to #69,752.
What does the Census say about the background of Ciak?
Among Census respondents with the surname Ciak, the largest self-reported group is White at 94.7%. The next largest groups are Two or More Races (3.3%) and Hispanic (1.3%). 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 Ciak in the 2020 Census, accounting for 94.7% (287 people in the source table).
What is the full ancestry breakdown?
Ciak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (94.7%), Two or More Races (3.3%), Hispanic (1.3%). 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 Ciak (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 Ciak mean?
A surname possibly derived from the Polish word "ciak" meaning a small farm or homestead. 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 Ciak (0.10 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 Americans have the surname Ciak?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.