Explore the Family Name Koscinski

The meaning of Koscinski

Polish (Kościński): 1. habitational name for someone from any of several places called Kościan. 2. nickname from a derivative of Polish kość ‘bone’ + the surname suffix -ski. 3. perhaps from a derivative of the personal name Konstanty (see Constant).

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

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

Based on the Decennial U.S. Census data, the popularity of the surname Koscinski has increased over the decade from 2000 to 2010. In 2000, the surname ranked 42,912 in popularity with a count of 475 and accounted for 0.18 individuals per 100,000. By 2010, the rank had improved to 39,607 with an increase in count to 555, indicating a growth rate of 16.84%. The proportion per 100,000 also saw a slight increase to 0.19, marking a change of 5.56%.

	2000	2010	Change
Rank	#42,912	#39,607	7.7%
Count	475	555	16.84%
Proportion per 100k	0.18	0.19	5.56%

Race and Ethnicity of people with the last name Koscinski

The Decennial U.S. Census data also provides insight into the ethnic identity associated with the surname Koscinski. In 2000, majority identified as White (95.79%) followed by Hispanic (1.47%), American Indian and Alaskan Native (1.05%) and those belonging to two or more races (1.26%). However, there were no individuals identifying as Asian/Pacific Islander and Black. By 2010, the number of individuals identifying as White slightly decreased to 95.50%, while Hispanic representation increased substantially by 83.67% to 2.70%. However, the representation of American Indian and Alaskan Native dropped to 0 and those identifying as two or more races decreased by 14.29% to 1.08%.

	2000	2010	Change
White	95.79%	95.5%	-0.3%
Hispanic	1.47%	2.7%	83.67%
Two or More Races	1.26%	1.08%	-14.29%
Asian/Pacific Islander	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	1.05%	0%	0%