South Dakota's largest ancestry groups

German is the largest background in South Dakota, the ancestry of over 40% of residents. Here is a list of the state's 25 largest ancestries:

Rank	Ancestry	South Dakota Estimated Population	Percentage of Total Population
	Total:	816,463	100.0%
1	German	337,045	41.3%
2	Norwegian	121,655	14.9%
3	Irish	84,298	10.3%
4	English	53,741	6.6%
5	Dutch	36,464	4.5%
6	American	31,464	3.9%
7	Swedish	31,376	3.8%
8	French (except Basque)	22,747	2.8%
9	Danish	20,634	2.5%
10	Czech	19,592	2.4%
11	Polish	13,967	1.7%
12	Russian	13,024	1.6%
13	Scottish	9,696	1.2%
14	Italian	9,215	1.1%
15	European	6,643	0.8%
16	Welsh	4,905	0.6%
17	Subsaharan African	4,615	0.6%
18	Scotch-Irish	4,362	0.5%
19	French Canadian	3,593	0.4%
20	Swiss	3,484	0.4%
21	Arab	1,824	0.2%
22	Ukrainian	1,772	0.2%
23	British	1,252	0.2%
24	Hungarian	1,088	0.1%
25	Greek	936	0.1%

Source: U.S. Census Bureau, 2010 American Community Survey

C04006 People Reporting Ancestry, 1 year estimates.

Please note that the Census Bureau's "People Reporting Ancestry" survey for South Dakota is based on a limited list of ancestry groups compared to other states.