LAST NAME · 2020 CENSUS
Koscielniak
Koscielniak is the 45,616th most common last name in the United States. In the 2020 Census, 505 people carried it, about 0.2 of every 100,000 people. Most people named Koscielniak are White.
WHO CARRIES THIS NAME · 2020
White95.4%
Hispanic2.0%
Multiracial1.4%
Native American0.8%
Asian American0.4%
Black0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#82,684
0
2000
#40,019
516
2010
#42,640
508
2020
#45,616
505