Explore the Family Name Kaczynski

How common is the last name Kaczynski in the United States?

The popularity of the surname 'Kaczynski' has experienced a slight decrease in the U.S., according to data from the Decennial U.S. Census. In 2000, the Kaczynski name was ranked as the 18,712th most popular surname. By 2010, its rank had fallen to 19,590, marking a decline of 4.69%. However, the actual count of people bearing this surname increased slightly from 1,356 in 2000 to 1,377 in 2010, reflecting a growth of 1.55%. The proportion of individuals with the Kaczynski surname per 100,000 people also fell by 6% over this period.

20002010Change
Rank#18,712#19,590-4.69%
Count1,3561,3771.55%
Proportion per 100k0.50.47-6%

Race and Ethnicity of people with the last name Kaczynski

In terms of ethnic identity, the Decennial U.S. Census data indicates that the vast majority of people named Kaczynski identified as White in both 2000 and 2010. This group represented 97.94% of all individuals with the Kaczynski surname in 2000 and grew marginally to 98.11% in 2010. The number of individuals identifying with two or more races decreased significantly by 41.44%, from 1.11% in 2000 to 0.65% in 2010. There was a slight increase in individuals of Hispanic ethnicity from 0.59% in 2000 to 0.65% in 2010. The census recorded no change among Asian/Pacific Islander, Black, and American Indian and Alaskan Native populations, maintaining at 0% for both years.

20002010Change
White97.94%98.11%0.17%
Two or More Races1.11%0.65%-41.44%
Hispanic0.59%0.65%10.17%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%