The states with the largest Austrian American populations are New York (93,083), California (84,959), Pennsylvania (58,002) (most of them in the Lehigh Valley), Florida (54,214), New Jersey (45,154), and Ohio (27,017).
[citation needed] In the late 1930s, more and more Austrians migrated to the United States, most of which were Jews fleeing the Nazi persecution that started with the Annexation of Austria in 1938.
According to the United States Census Bureau, in 2015, there were 26,603 individuals living in the U.S. born in Austria who identified themselves as being of Austrian ancestry.
[8] Austrian immigrants adapted quickly to American society because the Austro-Hungarian Empire had also been a melting pot of many cultures and languages.
[6][9] Isidor Bush (1822–98) emigrated from Vienna in 1849 and became a leading Jewish citizen of the city of St. Louis and the state of Missouri through his business ventures, religious work, and political activities.