2000
#11,378
National surname rank
First available Census row
A Polish toponymic surname derived from the word "leśniak," meaning "forester" or "one who lives near a forest."
According to the 2020 US Census Bureau surname tables, roughly 2,832 Americans carry the last name Lesniak. That puts it at #12,058 in the national surname ranking, appearing at a frequency of 0.83 per 100,000 people (about 1 in 121,029 residents).
This page is the full Name Census profile for the Lesniak 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 Lesniak with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
2.8K
1 in 121,029
Census rank
#12,058
2020 decennial data
Per 100,000
0.8
Frequency rate
Recorded bearers
2.5K
rare in the US
Popularity narrative
The Census Bureau recorded 2,470 bearers of the surname Lesniak in its 2020 decennial surname file. At a rate of 0.83 per 100,000 residents, it holds the 12058th position in the national surname ranking.
Among Census respondents with the surname Lesniak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.4%).
Origin
The surname Lesniak is of Polish origin, originating from the region of Lesser Poland in the 14th century. It is derived from the Polish word "lesinik," which means "forester" or "forest dweller." This suggests that the earliest bearers of this name were likely employed in forestry or lived in or near forested areas.
The Lesniak surname can be traced back to the village of Lesnica, located in the Krakow region of Poland. Historical records indicate that the name was first documented in 1389 when a man named Stanislaw Lesniak was mentioned in a land registry document.
In the 15th century, the Lesniak name appeared in various historical records and manuscripts, including the Metryka Koronna, an official register of the Polish-Lithuanian Commonwealth. One notable entry from 1478 mentions a Jakub Lesniak, a landowner in the village of Lesnica.
The earliest recorded example of the Lesniak surname can be found in the Liber Beneficiorum, a register of church properties and benefices compiled by Jan Długosz in the late 15th century. This record mentions a Piotr Lesniak, a parish priest in the village of Lesnica.
Throughout history, there have been several notable individuals bearing the Lesniak surname. One of the earliest was Jan Lesniak (1523-1580), a Polish theologian and author who wrote extensively on religious topics. Another prominent figure was Franciszek Lesniak (1705-1786), a Polish painter and architect who designed several churches and palaces in the Baroque style.
In the 19th century, Kazimierz Lesniak (1842-1905) was a Polish mathematician and educator who made significant contributions to the field of algebraic geometry. Additionally, Waclaw Lesniak (1867-1939) was a Polish politician and diplomat who served as the Minister of Foreign Affairs for the Second Polish Republic.
Another notable Lesniak was Józef Lesniak (1912-1986), a Polish resistance fighter during World War II who participated in the Warsaw Uprising against Nazi German occupation. He was later awarded the Virtuti Militari, Poland's highest military decoration for valor.
Demographics
Among Census respondents with the surname Lesniak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.4%).
The bar chart below shows how Lesniak 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 Lesniak surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Lesniak 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
+93 bearers (+3.7%)
2020
National surname rank
-164 bearers (-6.2%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #11,378 | 2,541 | 0.94 | First available Census row | First available Census row |
| 2010 | #11,886 | 2,634 | 0.89 | +93 bearers (+3.7%) | Down 508 places |
| 2020 | #12,058 | 2,470 | 0.83 | -164 bearers (-6.2%) | Down 172 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 Lesniak 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 | #11,886 | #12,058 | -1.4% |
| Count | 2,634 | 2,470 | -6.2% |
| Per 100K | 0.89 | 0.83 | -7.1% |
Between the 2010 and 2020 Census, the number of Lesniak bearers went from 2,634 to 2,470 (-6.2% change). The surname moved down 172 positions in the national ranking, going from #11,886 to #12,058.
FAQ
Name Census estimates that about 2,832 living Americans carry the surname Lesniak. Using the current population baseline, that works out to roughly 1 in 121,029 residents.
Lesniak ranks #12,058 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 0.83 per 100,000 residents, which is about 1 people out of every 100,000.
The raw 2020 Census file counted 2,470 people with the surname Lesniak. That is different from the site's living-bearer estimate (2,832), 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 0.83 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 Lesniak.
Between 2010 and 2020, the surname Lesniak went from 2,634 recorded bearers to 2,470. That is a decrease of 164 (-6.2%). In the national ranking it fell from #11,886 to #12,058.
Among Census respondents with the surname Lesniak, the largest self-reported group is White at 93.5%. The next largest groups are Hispanic (3.1%) and Two or More Races (2.4%). 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 Lesniak in the 2020 Census, accounting for 93.5% (2,310 people in the source table).
Lesniak 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 (2.4%). 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 Lesniak (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 toponymic surname derived from the word "leśniak," meaning "forester" or "one who lives near a forest." 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 Lesniak (0.83 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 quick modern take, check how many people have the surname Lesniak on our sister site HowManyOfMe.org.