Explore the Family Name Kazmierczak

The meaning of Kazmierczak

Polish (Kaźmierczak): patronymic from the personal name Kazimierz (see Kazimir). Some characteristic forenames: Polish Andrzej, Bogdan, Bogumil, Casimier, Henryk, Jadwiga, Jerzy, Karol, Kazimierz, Krystyna, Leszek, Zofia.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

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

Based on the Decennial U.S. Census, the popularity of the surname "Kazmierczak" has experienced minor fluctuations between 2000 and 2010. In 2000, it ranked 15,598 in popularity with a count of 1,720 individuals bearing the name, equating to a proportion of 0.64 per 100,000 residents. By 2010, its rank had fallen slightly to 16,203, but the total count increased to 1,782, or 0.6 per 100,000. This indicates a marginal decrease in popularity by 3.88%, but an increase in terms of absolute numbers by 3.6%.

	2000	2010	Change
Rank	#15,598	#16,203	-3.88%
Count	1,720	1,782	3.6%
Proportion per 100k	0.64	0.6	-6.25%

Race and Ethnicity of people with the last name Kazmierczak

In terms of ethnic identity, the Decennial U.S. Census data reveals that the majority of those bearing the Kazmierczak surname identify as White, with a slight decline from 97.85% in 2000 to 96.52% in 2010. Those identifying as Hispanic saw a significant increase, jumping from 1.16% in 2000 to 2.53% in 2010. The presence of those identifying as Black under this surname was first recorded in 2010 at 0.28%. Those identifying with two or more races decreased from 0.76% in 2000 to 0.51% in 2010. No individuals identified as Asian/Pacific Islander or American Indian and Alaskan Native during these years.

	2000	2010	Change
White	97.85%	96.52%	-1.36%
Hispanic	1.16%	2.53%	118.1%
Two or More Races	0.76%	0.51%	-32.89%
Black	0%	0.28%	0%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%