California's largest ancestry groups

German-Americans are the largest ancestry group in California. In 2010, almost 9% of residents claimed German heritage. Here is a list of the 50 largest ancestral groups in the state:

Rank	Ancestry	California Estimated Population	Percentage of Total Population
	Total:	37,349,363	100.0%
1	German	3,330,889	8.9%
2	Irish	2,573,023	6.9%
3	English	2,327,331	6.2%
4	Italian	1,501,625	4.0%
5	American	857,524	2.3%
6	French (except Basque)	728,284	1.9%
7	European	544,363	1.5%
8	Scottish	519,955	1.4%
9	Polish	509,365	1.4%
10	Russian	436,225	1.2%
11	Swedish	435,274	1.2%
12	Dutch	396,794	1.1%
13	Norwegian	383,922	1.0%
14	Portuguese	355,998	1.0%
15	Armenian	254,696	0.7%
16	Scotch-Irish	247,530	0.7%
17	Iranian	215,372	0.6%
18	Danish	184,002	0.5%
19	African	183,293	0.5%
20	Welsh	162,550	0.4%
21	British	146,509	0.4%
22	Greek	136,493	0.4%
23	Hungarian	132,860	0.4%
24	Swiss	111,798	0.3%
25	French Canadian	104,962	0.3%
26	Ukrainian	99,624	0.3%
27	Czech	86,682	0.2%
28	Canadian	85,113	0.2%
29	Austrian	75,421	0.2%
30	Scandinavian	65,772	0.2%
31	Romanian	62,711	0.2%
32	Eastern European	62,420	0.2%
33	Lebanese	58,372	0.2%
34	Northern European	54,747	0.1%
35	Lithuanian	50,900	0.1%
36	Finnish	48,163	0.1%
37	Other Arab	45,337	0.1%
38	Croatian	45,033	0.1%
39	Arab	43,828	0.1%
40	Egyptian	39,436	0.1%
41	Assyrian/Chaldean/Syriac	39,318	0.1%
42	Afghan	36,038	0.1%
43	Yugoslavian	33,314	0.1%
44	Brazilian	31,447	0.1%
45	Jamaican	29,442	0.1%
46	Ethiopian	27,706	0.1%
47	Iraqi	26,311	0.1%
48	Turkish	24,575	0.1%
49	Belgian	24,489	0.1%
50	Czechoslovakian	24,253	0.1%

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

B04006 People Reporting Ancestry, 1 year estimates