September 22, 2015

From Ireland to Germany to Italy to Mexico: How America’s source of immigrants has changed in the states, 1850 to 2013

Top country of origin by state and year
Top five foreign-born populations by country of origin (in millions)
Total U.S. population 23.2 million
Total foreign born 2.2 million
Percent foreign born 9.7%

Note: California Territory became a state in September 1850. Alaska did not become a U.S. territory until its purchase in 1867. Hawaii became an organized territory in 1898.

Source: Estimates for the countries of origin come from Pew Research Center tabulations of the 1850 decennial census. Total population and foreign-born population estimates come from the U.S. Census Bureau, “Historical Census Statistics on the Foreign-Born Population of the United States: 1850-2000.” Map source: Minnesota Population Center.