2010
#151,532
National surname rank
First available Census row
A Ukrainian surname indicating a person's geographic origin or place of residence.
According to the 2020 US Census Bureau surname tables, roughly 123 Americans carry the last name Stepchuk. That puts it at #151,639 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,786,621 residents).
This page is the full Name Census profile for the Stepchuk 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
123
1 in 2,786,621
Census rank
#151,639
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
107
very rare in the US
Popularity narrative
The Census Bureau recorded 107 bearers of the surname Stepchuk in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 151639th position in the national surname ranking.
Among Census respondents with the surname Stepchuk, the largest self-reported group is White at 100.0%.
Origin
The surname Stepchuk is of Ukrainian origin, emerging in the 16th century. It is believed to have derived from the Ukrainian word "step," meaning "steppe" or "prairie," and the diminutive suffix "-chuk," denoting a connection to a particular place or region. The name likely originated in the vast steppe regions of central and eastern Ukraine, where the ancestors of the Stepchuk family may have resided or worked as farmers or herders.
One of the earliest recorded instances of the Stepchuk surname can be found in the Cossack Registers of the Zaporozhian Host, a semi-autonomous military formation in the territories of modern-day Ukraine during the 16th to 18th centuries. These registers documented the names of Cossacks, including individuals with the surname Stepchuk, who served in the host and played a significant role in the region's history.
In the 17th century, the name Stepchuk appeared in various church records and land ownership documents in the regions of Poltava and Chernihiv, suggesting the presence of families bearing this surname in those areas. Notable examples include Ivan Stepchuk, a landowner in the village of Kozelshchyna (now part of Poltava Oblast) in the mid-17th century, and Hryhoriy Stepchuk, a church elder in the town of Baturyn (now in Chernihiv Oblast) in the late 1600s.
As the Stepchuk family spread throughout Ukraine and beyond, the name underwent various spelling variations, such as Stepchuk, Stepchenko, and Stepchenko-Kravchenko. In the 19th century, Petro Stepchuk (1825-1896) was a prominent Ukrainian ethnographer and folklorist, known for his contributions to the preservation of Ukrainian cultural heritage.
Another notable figure was Oleksandr Stepchuk (1892-1970), a Ukrainian writer, poet, and playwright who was active during the early 20th century. His works often explored themes of rural life and the experiences of the Ukrainian people.
During the Soviet era, Mykola Stepchuk (1915-1995) was a distinguished Ukrainian scientist and academic, who made significant contributions to the field of theoretical physics and served as the rector of the Kyiv Polytechnic Institute.
While the Stepchuk surname is primarily associated with Ukraine, it has also been found in other parts of Eastern Europe due to migration and historical events. Some individuals with this surname have achieved recognition in various fields, showcasing the diverse backgrounds and accomplishments of those bearing this name.
Demographics
Among Census respondents with the surname Stepchuk, the largest self-reported group is White at 100.0%.
The bar chart below shows how Stepchuk 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 Stepchuk surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Stepchuk 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
-1 bearers (-0.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #151,532 | 108 | 0.04 | First available Census row | First available Census row |
| 2020 | #151,639 | 107 | 0.04 | -1 bearers (-0.9%) | Down 107 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 Stepchuk 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 | #151,532 | #151,639 | -0.1% |
| Count | 108 | 107 | -0.9% |
| Per 100K | 0.04 | 0.04 | -10.5% |
Between the 2010 and 2020 Census, the number of Stepchuk bearers went from 108 to 107 (-0.9% change). The surname moved down 107 positions in the national ranking, going from #151,532 to #151,639.
FAQ
Name Census estimates that about 123 living Americans carry the surname Stepchuk. Using the current population baseline, that works out to roughly 1 in 2,786,621 residents.
Stepchuk ranks #151,639 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 107 people with the surname Stepchuk. That is different from the site's living-bearer estimate (123), 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 Stepchuk.
Between 2010 and 2020, the surname Stepchuk went from 108 recorded bearers to 107. That is a decrease of 1 (-0.9%). In the national ranking it fell from #151,532 to #151,639.
Among Census respondents with the surname Stepchuk, the largest self-reported group is White at 100.0%. 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 Stepchuk in the 2020 Census, accounting for 100.0% (107 people in the source table).
Stepchuk appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (100.0%). 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 Stepchuk (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 Ukrainian surname indicating a person's geographic origin or place of residence. 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 Stepchuk (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.
If you just want to know how many people have the surname Stepchuk, HowManyOfMe.org gives you the headline number in one glance.