Explore the Family Name Kopczynski

The meaning of Kopczynski

1. Polish (Kopczyński): habitational name for someone from Kopczyn, named with Polish kopka ‘little stack’. 2. Jewish (from Poland; Kopczyński): habitational name for someone from the village of Kopiec (northeastern Poland). Some characteristic forenames: Polish Jerzy, Casimir, Zygmunt.

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

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

Based on the data from the Decennial U.S. Census, the surname Kopczynski has seen a marginal increase in popularity between 2000 and 2010. In 2000, it was ranked as the 31,235th most popular surname in the US, whereas by 2010, it had climbed slightly to the 31,033rd spot, showing a change of about 0.65%. The number of individuals with this last name also grew from 702 to 748 in the same period, representing a growth rate of approximately 6.55%. However, the proportion of people named Kopczynski per 100,000 residents decreased by 3.85%, going from 0.26 in 2000 to 0.25 in 2010.

20002010Change
Rank#31,235#31,0330.65%
Count7027486.55%
Proportion per 100k0.260.25-3.85%

Race and Ethnicity of people with the last name Kopczynski

Regarding the ethnicity identity of those bearing the surname Kopczynski, according to the Decennial U.S. Census data, the majority identify as White. This ethnic group accounted for 98.01% in 2000, although there was a slight decrease to 96.26% by 2010. Individuals identifying as two or more races held the next highest percentage, which increased from 1.00% to 1.47% over the decade. Notably, Hispanic representation within the Kopczynski surname appeared in 2010 at 1.20%, where it was previously non-existent in 2000. No individuals with the surname Kopczynski identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native in either census year.

20002010Change
White98.01%96.26%-1.79%
Two or More Races1%1.47%47%
Hispanic0%1.2%0%
Asian/Pacific Islander0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%