2000
#58,397
National surname rank
Recorded bearers 325
First available Census row
Per 100,000 0.12
Very Rare Last name
Koskie
A surname of Polish origin meaning "of Koski", a village near Poznan.
According to the 2020 US Census Bureau surname tables, roughly 405 Americans carry the last name Koskie. That puts it at #61,433 in the national surname ranking, appearing at a frequency of 0.12 per 100,000 people (about 1 in 846,307 residents).
This page is the full Name Census profile for the Koskie 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
405
1 in 846,307
Census rank
#61,433
2020 decennial data
Per 100,000
0.1
Frequency rate
Recorded bearers
353
very rare in the US
Popularity narrative
The Census Bureau recorded 353 bearers of the surname Koskie in its 2020 decennial surname file. At a rate of 0.12 per 100,000 residents, it holds the 61433rd position in the national surname ranking.
Among Census respondents with the surname Koskie, the largest self-reported group is White at 90.9%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (1.7%).
Origin
Meaning and origin of Koskie
The surname Koskie is believed to have originated in Poland, with roots dating back to the 15th century. It is thought to be derived from the Polish word "kos," which means "jackdaw" or "blackbird." This suggests that the name may have been initially given as a nickname or descriptive name for someone with a dark complexion or dark hair.
One of the earliest recorded instances of the name can be found in the Polish town of Koscierzyna, located in the Pomeranian Voivodeship. It is believed that the name Koskie may have evolved from the place name Koscierzyna, which itself is derived from the Polish word "kościerz," meaning "brushwood" or "underbrush."
Throughout the centuries, the name has undergone various spelling variations, including Koschke, Koschki, and Koscki. These variations can be found in historical records and documents from various regions of Poland.
One notable individual with the surname Koskie was Jan Koskie (1550-1620), a Polish nobleman and landowner who played a significant role in the development of the city of Krakow during the Renaissance period. He is credited with commissioning several architectural projects, including the construction of several churches and public buildings.
Another historical figure of note was Katarzyna Koskie (1678-1745), a Polish noblewoman who was known for her philanthropic efforts and support of education. She founded several schools and educational institutions in her hometown of Poznan.
In the 19th century, Józef Koskie (1812-1888) was a prominent Polish writer and poet who contributed significantly to the development of Polish literature during the Romantic era. His works often explored themes of patriotism, freedom, and the struggles of the Polish people under foreign occupation.
Tomasz Koskie (1865-1932) was a Polish engineer and inventor who played a crucial role in the development of early aviation technology. He is credited with designing and constructing one of the first successful gliders, which he successfully flew in 1891.
Lastly, Zofia Koskie (1890-1976) was a Polish artist and sculptor who gained recognition for her avant-garde works and contributions to the modernist art movement in Poland. Her sculptures and installations can be found in various museums and galleries throughout the country.
Demographics
Ancestry and ethnicity for Koskie
Among Census respondents with the surname Koskie, the largest self-reported group is White at 90.9%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (1.7%).
The bar chart below shows how Koskie 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 Koskie surname at the time of the 2020 Census, not any inherent property of the name itself.
- White90.9% · 321
- Two or more races4.8% · 17
- American Indian and Alaska Native1.7% · 6
- Hispanic or Latino1.4% · 5
- Asian and Pacific Islander1.1% · 4
Timeline
Historical Census data for Koskie
Koskie 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
#59,603
National surname rank
Recorded bearers 339
+14 bearers (+4.3%)
Per 100,000 0.11
Rank movement Down 1,206 places
2020
#61,433
National surname rank
Recorded bearers 353
+14 bearers (+4.1%)
Per 100,000 0.12
Rank movement Down 1,830 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #58,397 | 325 | 0.12 | First available Census row | First available Census row |
| 2010 | #59,603 | 339 | 0.11 | +14 bearers (+4.3%) | Down 1,206 places |
| 2020 | #61,433 | 353 | 0.12 | +14 bearers (+4.1%) | Down 1,830 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 Koskie 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 | #59,603 | #61,433 | -3.1% |
| Count | 339 | 353 | 4.1% |
| Per 100K | 0.11 | 0.12 | 7.4% |
Between the 2010 and 2020 Census, the number of Koskie bearers went from 339 to 353 (+4.1% change). The surname moved down 1,830 positions in the national ranking, going from #59,603 to #61,433.
Notable bearers
Famous people with the surname Koskie
FAQ
Koskie surname: questions and answers
How many people in the U.S. have the surname Koskie?
Name Census estimates that about 405 living Americans carry the surname Koskie. Using the current population baseline, that works out to roughly 1 in 846,307 residents.
How common is Koskie?
Koskie ranks #61,433 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.12 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 353 people with the surname Koskie. That is different from the site's living-bearer estimate (405), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.12 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 0.12 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 Koskie.
Has Koskie become more or less common over time?
Between 2010 and 2020, the surname Koskie went from 339 recorded bearers to 353. That is an increase of 14 (+4.1%). In the national ranking it fell from #59,603 to #61,433.
What does the Census say about the background of Koskie?
Among Census respondents with the surname Koskie, the largest self-reported group is White at 90.9%. The next largest groups are Two or More Races (4.8%) and American Indian/Alaska Native (1.7%). 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 Koskie in the 2020 Census, accounting for 90.9% (321 people in the source table).
What is the full ancestry breakdown?
Koskie appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (90.9%), Two or More Races (4.8%), American Indian/Alaska Native (1.7%). 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 Koskie (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 Koskie mean?
A surname of Polish origin meaning "of Koski", a village near Poznan. 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 Koskie (0.12 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 share the surname Koskie?
For a faster, more casual read, check HowManyOfMe.org — our sister site built around that single question.