Irish History

Irish in America Census Facts

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32 million or 9.9%

The number and percentage of U.S. residents who claimed Irish ancestry in 2018. – 32 million

Source: 2014-2018 American Community Survey

123,950

The number of foreign-born U.S. residents who reported Ireland as their birthplace in 2018. – 123,950

Source: 2014-2018 American Community Survey

470,277

The number of people living in Cook County, IL, the county with the largest population of people who claimed Irish ancestry in 2018. – 420,277

Source: 2014-2018 American Community Survey

20,590

The estimated number of U.S. residents who spoke Irish Gaelic in 2013. – 20,590

Source: 2009-2013 American Community Survey