2010
#136,449
National surname rank
First available Census row
Of Polish origin, possibly derived from "dan" meaning "given" and a diminutive suffix, suggesting it was initially a nickname.
According to the 2020 US Census Bureau surname tables, roughly 130 Americans carry the last name Zdancewicz. 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 Zdancewicz 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 Zdancewicz 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 Zdancewicz, the largest self-reported group is White at 96.5%. The next largest groups are Black (0.9%) and Hispanic (0.9%).
Origin
The surname Zdancewicz has its origins in Poland, a country with a rich and tumultuous history that significantly influenced its nomenclature. Polish surnames typically emerged between the 13th and 16th centuries, and Zdancewicz is no exception. The name seems to have originated in the medieval period, specifically from the Masovian region in Poland, where it was common for surnames to be derived from place names or personal attributes.
ZDANCEWICZ is derived from the root word "Zdan," which might be a diminutive form or a patronymic reference to a male personal name Zdan or Zdanek. The suffix “-ewicz” is a common Polish and Belarusian patronymic indicator, meaning "son of," thus identifying the bearer as the descendant of someone named Zdan. This pattern of naming aligns with the feudal and patriarchal society of medieval Poland, where lineage and male ancestry were significant.
One of the earliest recorded instances of the surname Zdancewicz appears in the 16th century in Poland. A record from the Polish-Lithuanian Commonwealth mentions Jan Zdancewicz, a nobleman who owned land in the Masovian Voivodeship around the year 1570. His presence in regional tax records indicates his prominence and the early use of the surname in legal documents.
Another historical figure bearing this surname is Aleksander Zdancewicz, who was active in the mid-17th century. Born in 1625, Aleksander was known to have served as a high-ranking officer in the Polish army during the Croatian-Ottoman Wars, distinguishing himself in the Battle of Khotyn in 1673. This highlights the name's association with military service and nobility.
In the 18th century, a prominent intellectual named Michał Zdancewicz, born in 1730, emerged. Michał was known for his scholarly contributions to Polish literature and history and played a role in the intellectual movements of his time, advocating for educational reforms and the establishment of schools in rural areas. His works are preserved in several manuscripts housed in Polish national archives.
The surname Zdancewicz appears in various historical legal documents, including land grants and court records, indicating its bearers' involvement in local governance and justice. One such figure is Tadeusz Zdancewicz, who served as a judge in the Masovian region in the early 19th century. Born in 1775, Tadeusz's judicial decisions on property disputes and civil matters are well-documented, showcasing the continued importance of the family in regional administration.
Towards the late 19th century, another notable Zdancewicz was Zofia Zdancewicz, born in 1850. Zofia was a pioneering woman in the field of education, advocating for women's rights and the establishment of women's schools in Poland. Her commitment to improving the status of women in society and her numerous publications on educational reform left a lasting impact on Polish society.
In conclusion, the surname Zdancewicz has deep roots in Polish history, with its derivation from the personal name Zdan and reflecting a strong lineage. The surname has been associated with nobility, military service, judicial authority, and intellectual contributions throughout the centuries. From its medieval origins to its presence in significant historical records and personalities, Zdancewicz remains a testament to the enduring legacy of Polish surnames.
Demographics
Among Census respondents with the surname Zdancewicz, the largest self-reported group is White at 96.5%. The next largest groups are Black (0.9%) and Hispanic (0.9%).
The bar chart below shows how Zdancewicz 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 Zdancewicz surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Zdancewicz appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
National surname rank
First available Census row
2020
National surname rank
-10 bearers (-8.1%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #136,449 | 123 | 0.04 | First available Census row | First available Census row |
| 2020 | #147,221 | 113 | 0.04 | -10 bearers (-8.1%) | Down 10,772 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 Zdancewicz 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 | #136,449 | #147,221 | -7.9% |
| Count | 123 | 113 | -8.1% |
| Per 100K | 0.04 | 0.04 | -5.5% |
Between the 2010 and 2020 Census, the number of Zdancewicz bearers went from 123 to 113 (-8.1% change). The surname moved down 10,772 positions in the national ranking, going from #136,449 to #147,221.
FAQ
Name Census estimates that about 130 living Americans carry the surname Zdancewicz. Using the current population baseline, that works out to roughly 1 in 2,636,572 residents.
Zdancewicz 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.
The raw 2020 Census file counted 113 people with the surname Zdancewicz. 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.
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 Zdancewicz.
Between 2010 and 2020, the surname Zdancewicz went from 123 recorded bearers to 113. That is a decrease of 10 (-8.1%). In the national ranking it fell from #136,449 to #147,221.
Among Census respondents with the surname Zdancewicz, the largest self-reported group is White at 96.5%. The next largest groups are Black (0.9%) and Hispanic (0.9%). 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 Zdancewicz in the 2020 Census, accounting for 96.5% (109 people in the source table).
Zdancewicz appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (96.5%), Black (0.9%), Hispanic (0.9%). 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 Zdancewicz (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.
Of Polish origin, possibly derived from "dan" meaning "given" and a diminutive suffix, suggesting it was initially a nickname. 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 Zdancewicz (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.
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.