LAST NAME · 2020 CENSUS
Kowalczyk
Kowalczyk is the 6,132nd most common last name in the United States. In the 2020 Census, 5,356 people carried it — about 1.8 of every 100,000 people. Most people named Kowalczyk are White.
WHO CARRIES THIS NAME · 2020
White94.2%
Hispanic3.0%
Multiracial1.8%
Asian American0.5%
Black0.4%
Native American0.1%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#7,599
2,487
2000
#5,844
5,425
2010
#6,107
5,615
2020
#6,132
5,356