Ever wonder how many Irish there are in the United States, or in your state or how many are Catholic?

Thanks to the 2013 household survey US Census data, you can now figure it out.

Here is what we discovered:

Catholics make up just 36 percent of Irish Americans with another 51 percent made up of different Protestant denominations.

Thirty-three million claimed Irish ancestry, with 3 million more claiming Scot-Irish. That's a total of 36 million.

The states with the largest Irish populations as of 2013 are:

  • California- 2,533,235 (6.6%)
  • New York- 2,372,949 (12.1%)
  • Pennsylvania- 2,116,816 (16.6%)
  • Texas- 1,864,979 (7.1%)
  • Florida- 1,748,243 (8.9%)
  • Ohio- 1,567,480 (13.5%)
  • Illinois- 1,512,793 (11.7%)
  • Massachusetts- 1,416,607 (21.2%)
  • New Jersey- 1,260,260 (14.2%)
  • Michigan- 1,084,145 (11.0%)
  • North Carolina- 870,065 (8.8%)
  • Virginia- 808,058 (9.8%)
  • Georgia- 797,450 (8.0%)
  • Missouri- 796,431 (13.2%)
  • Indiana- 765,236 (11.6%)
  • Washington- 762,478 (10.9%)
  • Tennessee- 688,884 (10.6%)
  • Maryland- 645,930 (10.9%)
  • Colorado- 622,188 (11.8%)
  • Wisconsin- 612,483 (10.7%)
  • Arizona- 612,413 (9.2%)
  • Minnesota- 576,914 (10.6%)
  • Connecticut- 557,128 (15.5%
  • Kentucky- 536,668 (12.2%)
  • Read more: Millions more Irish birth, marriage and death records free online

The states with the top percentages of Irish:

  • Massachusetts (21.2%)
  • New Hampshire (20.5%)
  • Maine (18.0%}
  • Vermont (18.0%)
  • Rhode Island (17.9%)
  • Delaware (16.7%)
  • Pennsylvania (16.6%)
  • Connecticut (15.5%)
  • West Virginia (14.8%)
  • New Jersey (14.2%)
  • Montana (14.0%)
  • Iowa (13.6%)
  • Ohio (13.5%)
  • Missouri (13.2%)
  • Nebraska (13.2%)
  • Kansas (12.4%)
  • Kentucky (12.2%)
  • New York (12.1%)
  • Oregon (12.1%)
  • Colorado (11.8%)
  • Wyoming (11.8%)
  • Illinois (11.7%)
  • Indiana (11.6%)
  • Oklahoma (11.5%)
  • Michigan (11.0%)
  • Washington (10.9%)
  • Maryland (10.9%)
  • Wisconsin (10.7%)
  • Arkansas (10.7%)
  • Tennessee (10.6%)
  • Minnesota (10.6%)
  • South Dakota (10.4%)
* Originally published in January 2015.