2000
#27,207
National surname rank
Recorded bearers 836
First available Census row
Per 100,000 0.31
Very Rare Last name
Zelenak
From the Slovak language, meaning someone who lived near an evergreen wood.
According to the 2020 US Census Bureau surname tables, roughly 948 Americans carry the last name Zelenak. That puts it at #30,281 in the national surname ranking, appearing at a frequency of 0.28 per 100,000 people (about 1 in 361,555 residents).
This page is the full Name Census profile for the Zelenak 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
948
1 in 361,555
Census rank
#30,281
2020 decennial data
Per 100,000
0.3
Frequency rate
Recorded bearers
827
very rare in the US
Popularity narrative
The Census Bureau recorded 827 bearers of the surname Zelenak in its 2020 decennial surname file. At a rate of 0.28 per 100,000 residents, it holds the 30281st position in the national surname ranking.
Among Census respondents with the surname Zelenak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.2%).
Origin
Meaning and origin of Zelenak
The surname Zelenak has its origins in Eastern Europe, particularly within the territories of modern-day Slovakia and the Czech Republic. It dates back to the medieval period, spanning approximately the 13th to 15th centuries. The name is derived from Slavic roots, specifically from the word "zelený," which means "green" in Slovak and Czech. This points to the surname likely being a topographical name, referring to someone living near a green area, pasture, or forested region.
Historically, the surname Zelenak appears in various regional records and documents from the late Middle Ages. One of the earliest mentions can be traced back to a land document in 1374, where a certain Michal Zelenak was noted as holding property in what is now western Slovakia. The surname's spelling has remained relatively consistent over the centuries, though older records sometimes feature variations like Zelenák or Zelenač due to regional dialects and the evolving nature of the written language.
Another early instance of the surname appears in a 15th-century manuscript that lists patrons of a local church in Moravia, a historical region in the Czech Republic. Here, a Ján Zelenak is recorded as a benefactor, suggesting the family held some prominence in the community at the time.
Throughout history, several notable individuals have carried the surname Zelenak. In the 17th century, Martin Zelenak, born in 1620 and died in 1679, was a respected scholar and poet in the region of Bohemia. His works often reflected the cultural and political climate of his era, providing valuable insights into 17th-century Central European society.
In the field of military history, there is Colonel Andrej Zelenak, who served in the Austro-Hungarian army during the early 19th century. Born in 1778 and passing away in 1835, Colonel Zelenak was recognized for his tactical acumen during the Napoleonic Wars, participating in several key battles that shaped European history.
The field of arts and literature also boasts figures with this surname. Zuzana Zelenaková, a notable playwright born in 1845, significantly influenced Slovak theater. Her contributions helped shape the modern Slovak literary canon, though she passed away relatively young in 1882.
In more academic pursuits, Jan Zelenak, a 20th-century historian born in 1902 and died in 1969, is noted for his extensive research on the social dynamics of rural Slovakia. His publications are still referenced by scholars studying the region's history and development.
Lastly, Katarína Zelenaková, born in 1935, made her mark in sports, specifically in track and field. Competing in the 1956 Melbourne Olympics, she brought attention to Slovak athletics during a time when international competition was dominated by larger nations.
Overall, the surname Zelenak has a rich history deeply rooted in the cultural and geographical landscapes of Slovakia and the Czech Republic. Its bearers have contributed significantly across various fields, from military and scholarly pursuits to arts and sports, reflecting the name's enduring legacy.
Demographics
Ancestry and ethnicity for Zelenak
Among Census respondents with the surname Zelenak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.2%).
The bar chart below shows how Zelenak 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 Zelenak surname at the time of the 2020 Census, not any inherent property of the name itself.
- White93.5% · 773
- Hispanic or Latino3.1% · 26
- Two or more races2.2% · 18
- American Indian and Alaska Native0.7% · 6
- Black or African American0.2% · 2
- Asian and Pacific Islander0.2% · 2
Timeline
Historical Census data for Zelenak
Zelenak 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
#27,452
National surname rank
Recorded bearers 878
+42 bearers (+5.0%)
Per 100,000 0.30
Rank movement Down 245 places
2020
#30,281
National surname rank
Recorded bearers 827
-51 bearers (-5.8%)
Per 100,000 0.28
Rank movement Down 2,829 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #27,207 | 836 | 0.31 | First available Census row | First available Census row |
| 2010 | #27,452 | 878 | 0.30 | +42 bearers (+5.0%) | Down 245 places |
| 2020 | #30,281 | 827 | 0.28 | -51 bearers (-5.8%) | Down 2,829 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 Zelenak 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 | #27,452 | #30,281 | -10.3% |
| Count | 878 | 827 | -5.8% |
| Per 100K | 0.30 | 0.28 | -7.8% |
Between the 2010 and 2020 Census, the number of Zelenak bearers went from 878 to 827 (-5.8% change). The surname moved down 2,829 positions in the national ranking, going from #27,452 to #30,281.
FAQ
Zelenak surname: questions and answers
How many people in the U.S. have the surname Zelenak?
Name Census estimates that about 948 living Americans carry the surname Zelenak. Using the current population baseline, that works out to roughly 1 in 361,555 residents.
How common is Zelenak?
Zelenak ranks #30,281 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.28 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 827 people with the surname Zelenak. That is different from the site's living-bearer estimate (948), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.28 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.28 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 Zelenak.
Has Zelenak become more or less common over time?
Between 2010 and 2020, the surname Zelenak went from 878 recorded bearers to 827. That is a decrease of 51 (-5.8%). In the national ranking it fell from #27,452 to #30,281.
What does the Census say about the background of Zelenak?
Among Census respondents with the surname Zelenak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.2%). 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 Zelenak in the 2020 Census, accounting for 93.5% (773 people in the source table).
What is the full ancestry breakdown?
Zelenak appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (93.5%), Hispanic (3.1%), Two or More Races (2.2%). 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 Zelenak (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 Zelenak mean?
From the Slovak language, meaning someone who lived near an evergreen wood. 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 Zelenak (0.28 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 people have the surname Zelenak?
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.