The Irish-American Population

For Saint Patrick's Day we take a look at the Irish population in America. Over one in ten Americans have an Irish ancestry:

		Irish-American Population			Irish-American Population, as a Percent of Total Population
	United States	34,669,616	1	Massachusetts	23.20%
1	California	2,573,023	2	New Hampshire	21.47%
2	New York	2,509,092	3	Rhode Island	19.25%
3	Pennsylvania	2,207,704	4	Delaware	18.08%
4	Florida	1,897,126	5	Vermont	17.49%
5	Texas	1,886,844	6	Maine	17.48%
6	Ohio	1,625,166	7	Pennsylvania	17.37%
7	Illinois	1,598,702	8	Connecticut	16.66%
8	Massachusetts	1,521,511	9	Montana	15.20%
9	New Jersey	1,335,209	10	New Jersey	15.17%
10	Michigan	1,151,178	11	Iowa	14.89%
11	North Carolina	869,820	12	West Virginia	14.44%
12	Missouri	830,534	13	Ohio	14.09%
13	Virginia	804,331	14	Nebraska	14.02%
14	Georgia	803,004	15	Missouri	13.85%
15	Indiana	788,683	16	Wyoming	13.44%
16	Washington	785,664	17	New York	12.94%
17	Tennessee	707,732	18	Kansas	12.85%
18	Maryland	683,240	19	Kentucky	12.80%
19	Wisconsin	651,840	20	Oregon	12.62%
20	Arizona	624,091	21	Oklahoma	12.59%
21	Colorado	613,526	22	Arkansas	12.52%
22	Connecticut	595,804	23	Illinois	12.45%
23	Minnesota	582,386	24	Colorado	12.15%
24	Kentucky	556,305	25	Indiana	12.15%
25	Oregon	484,663	26	Maryland	11.81%
26	Oklahoma	473,623	27	Michigan	11.65%
27	Alabama	467,002	28	Washington	11.65%
28	Iowa	454,279	29	Wisconsin	11.45%
29	South Carolina	449,705		United States	11.21%
30	Kansas	367,281	30	Tennessee	11.13%
31	Arkansas	365,875	31	Alaska	10.98%
32	Louisiana	342,504	32	Minnesota	10.97%
33	New Hampshire	282,668	33	South Dakota	10.32%
34	West Virginia	267,713	34	Florida	10.07%
35	Nevada	264,554	35	Virginia	10.02%
36	Mississippi	263,081	36	Nevada	9.78%
37	Nebraska	256,551	37	Alabama	9.76%
38	Maine	232,022	38	Arizona	9.73%
39	Rhode Island	202,662	39	South Carolina	9.70%
40	Utah	166,102	40	Idaho	9.49%
41	Delaware	162,722	41	North Carolina	9.10%
42	New Mexico	156,493	42	Mississippi	8.86%
43	Montana	150,609	43	Georgia	8.27%
44	Idaho	149,055	44	North Dakota	8.14%
45	Vermont	109,485	45	New Mexico	7.57%
46	South Dakota	84,298	46	Louisiana	7.54%
47	Alaska	78,413	47	Texas	7.47%
48	Wyoming	75,865	48	District of Columbia	6.95%
49	Hawaii	63,022	49	California	6.89%
50	North Dakota	54,874	50	Utah	5.98%
51	District of Columbia	41,980	51	Hawaii	4.62%

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

B04006 People Reporting Ancestry, 1 year estimates