LAST NAME · 2020 CENSUS
Rosenau
Rosenau is the 19,558th most common last name in the United States. In the 2020 Census, 1,381 people carried it — about 0.5 of every 100,000 people. Most people named Rosenau are White.
WHO CARRIES THIS NAME · 2020
White90.4%
Hispanic4.3%
Multiracial3.4%
Native American0.8%
Asian American0.6%
Black0.4%
Shares are tabulated by the US Census Bureau, not modeled. Methodology.
RANK OVER TIME
1990
#18,965
0
2000
#19,411
1,290
2010
#19,105
1,424
2020
#19,558
1,381