Find out how popular the last name Kozlowski is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Kozlowski.

Kozlowski, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Kozlowski surname is from the 2010 census data.

Popularity of Kozlowski in America

Kozlowski is the 3449th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Kozlowski surname appeared 10,358 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 4 people would have the surname Kozlowski.

We can also compare 2010 data for Kozlowski to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Kozlowski

The surname Kozlowski is of Polish origin, deriving from the word "kozioł," which means "goat" in Polish. It is believed to have originated in the late Middle Ages or early Renaissance period, sometime around the 15th or 16th century.

The name likely originated in rural areas of Poland, where it may have been used as a descriptive name for someone who worked with goats or had a physical resemblance to a goat. Variations in spelling, such as Kozłowski or Kozlowsky, were common in historical records due to regional dialects and scribal inconsistencies.

One of the earliest recorded instances of the name Kozlowski can be found in the Metryka Koronna, a collection of historical documents from the Polish-Lithuanian Commonwealth dating back to the late 15th century. The name appears in various records and manuscripts throughout the 16th and 17th centuries.

Notable individuals with the surname Kozlowski include Józef Kozłowski (1776-1858), a Polish painter and art teacher, and Stanisław Kozłowski (1885-1939), a Polish architect and academic who designed several notable buildings in Warsaw.

Another notable figure was Ksawery Kozłowski (1799-1879), a Polish general who fought in the November Uprising against Russian rule in the early 19th century. He later served as a military advisor to the Ottoman Empire and played a role in reforming the Ottoman army.

In the 20th century, Wacław Kozłowski (1892-1977) was a prominent Polish composer and conductor, known for his works in the late Romantic and early modern styles. He served as the director of the Kraków Opera from 1933 to 1939.

Andrzej Kozłowski (1923-2022) was a Polish writer and journalist who survived imprisonment in Nazi concentration camps during World War II. His memoir, "Oblicza Totalitaryzmu" (Faces of Totalitarianism), recounted his experiences and became an important historical document.

While the surname Kozlowski is most prevalent in Poland, it has also been carried by individuals of Polish descent in other parts of the world, particularly in areas with significant Polish immigration, such as the United States and Canada.

Race and ethnic origin of people with the last name Kozlowski

We also have some data on the ancestry of people with the surname Kozlowski.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Kozlowski was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Kozlowski has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Kozlowski was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Kozlowski, please contact us.

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