LAST NAME · 2020 CENSUS
Koslowski
Koslowski is the 34,625th most common last name in the United States. In the 2020 Census, 704 people carried it, about 0.2 of every 100,000 people. Most people named Koslowski are White.
WHO CARRIES THIS NAME · 2020
White92.3%
Hispanic2.8%
Multiracial2.0%
Native American1.4%
Asian American1.3%
Black0.1%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#56,192
0
2000
#28,994
771
2010
#32,599
705
2020
#34,625
704