History of immigration to the United States 1850. In 1848, the Treaty of Guadalupe Hidalgo, concluding the Mexican War, extended U.S. citizenship to approximately 60,000 Mexican residents of the New Mexico Territory and 10,000 living in California. An additional approximate 2,500 foreign born California residents also become U.S. citizens. In 1849, the California Gold Rush attracted 100,000 would-be miners from the Eastern U.S., Latin America, China, Australia, and Europe. California became a state in 1850 with a population of about 90,000. Between 1850 and 1930, about 5 million Germans migrated to the United States, peaking between 1881 and 1885 when a million Germans settled primarily in the
History of Guatemalan migrants in the United States History of Guatemalan migrants in the United States Guatemalan migrants are the 10th largest migrant group in the United States., and the 3rd largest immigrant group from Central America. The 2015 American Community Survey estimates the Guatemalan American migrant population at 1,300,000, which is roughly 3% of the US foreign born population, and 0.4% of the total population of the United States. Of this group, the majority live in California, New York, Florida, and Texas. Roughly one quarter of Guatemalan Migrants reside in Anaheim County, California alone. A majority of these migrants are men; according to 2015 American Community Survey,