Analysis by 2010 Federal Population Census[edit]
Fifteen largest ancestries in the United States in the 2010 census.[81]
Rank	Ancestry	Number	Percent of total
population	
1	German	49,206,934	17.1 %	
2	African American	45,284,752	14.6 %	
3	Irish	35,523,082	11.6 %	
4	Mexican	31,789,483	10.9 %	
5	English	26,923,091	9.0 %	
6	American	19,911,467	6.7 %	
7	Italian	17,558,598	5.9 %	
8	Polish	9,739,653	3.0 %	
9	French	9,136,092	2.9 %	
10	Scottish	5,706,263	1.9 %	
11	Scotch-Irish	5,102,858	1.7 %	
12	Native American and Alaskan Native	4,920,336	1.6 %	
13	Dutch	4,810,511	1.6 %	
14	Puerto Rican	4,607,774	1.5 %	
15	Norwegian	4,557,539	1.5 %