Pennsylvania's largest ancestry groups

German-Americans are the largest ancestry group in Pennsylvania, with over 1 in 4 residents claiming a German heritage. Also noteworthy are Pennsylvania Germans, the 13th largest ancestry group in the state:

Rank	Ancestry	Pennsylvania Estimated Population	Percentage of Total Population
	Total:	12,709,630	100.0%
1	German	3,418,156	26.9%
2	Irish	2,207,704	17.4%
3	Italian	1,536,952	12.1%
4	English	1,014,344	8.0%
5	Polish	866,572	6.8%
6	American	575,529	4.5%
7	Dutch	248,835	2.0%
8	Slovak	233,160	1.8%
9	French (except Basque)	216,994	1.7%
10	Scottish	198,168	1.6%
11	Russian	194,710	1.5%
12	Welsh	174,569	1.4%
13	Pennsylvania German	164,677	1.3%
14	Scotch-Irish	163,836	1.3%
15	Hungarian	135,885	1.1%
16	Ukrainian	109,320	0.9%
17	Swedish	107,355	0.8%
18	European	97,846	0.8%
19	Lithuanian	79,626	0.6%
20	Greek	71,648	0.6%
21	Swiss	66,495	0.5%
22	African	59,840	0.5%
23	Czech	52,347	0.4%
24	Austrian	51,997	0.4%
25	Croatian	51,547	0.4%
26	Norwegian	42,722	0.3%
27	British	39,548	0.3%
28	Jamaican	30,708	0.2%
29	French Canadian	29,677	0.2%
30	Eastern European	29,517	0.2%
31	Czechoslovakian	21,934	0.2%
32	Haitian	21,178	0.2%
33	Serbian	20,226	0.2%
34	Lebanese	18,855	0.1%
35	Danish	18,284	0.1%
36	Portuguese	17,863	0.1%
37	Slavic	17,629	0.1%
38	Romanian	17,205	0.1%
39	Slovene	17,050	0.1%
40	Canadian	14,762	0.1%
41	Syrian	14,398	0.1%
42	Albanian	11,145	0.1%
43	Armenian	11,065	0.1%
44	Brazilian	10,602	0.1%
45	Belgian	10,472	0.1%
46	Yugoslavian	10,006	0.1%
47	Egyptian	9,298	0.1%
48	Arab	9,159	0.1%
49	Scandinavian	8,572	0.1%
50	Finnish	8,248	0.1%

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

B04006 People Reporting Ancestry, 1 year estimates