LAST NAME · 2020 CENSUS
Sieczkowski
Sieczkowski is the 61,734th most common last name in the United States. In the 2020 Census, 351 people carried it — about 0.1 of every 100,000 people. Most people named Sieczkowski are White.
WHO CARRIES THIS NAME · 2020
White94.0%
Hispanic3.7%
Multiracial1.7%
Asian American0.3%
Native American0.3%
Black0.0%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#36,839
0
2000
#57,252
333
2010
#60,196
335
2020
#61,734
351