LAST NAME · 2020 CENSUS
Mrowczynski
Mrowczynski is the 131,120th most common last name in the United States. In the 2020 Census, 135 people carried it — about 0.0 of every 100,000 people. Most people named Mrowczynski are White.
WHO CARRIES THIS NAME · 2020
White88.9%
Multiracial5.2%
Black1.5%
Hispanic1.5%
Asian American1.5%
Native American1.5%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
2000
#98,770
170
2010
#113,155
155
2020
#131,120
135