The 2013 American Community Survey (ACS) reported that the number of people who speak a language other than English at home was 62 million. That is 20% of all persons. In 2000, the share was 18%; in 1990, 14%; it was 11%.
Languages with more than a million speakers in 2013 were Spanish (38.4 million), Chinese (3), Tagalog (1.6), Vietnamese (1.4), French (1.3), and Korean and Arabic (1.1 each).
States with over 30% speaking other than English were California 45%; New Mexico, 36%; Texas 35%; New Jersey,30%; Nevada, 30%; and New York, 30%;
Linguistically “isolated” (No one age 14 and over speaks English only or speaks English “very well”) —
4.5% of all households; 24% of Spanish speaking households; 28% of Asian language speakers; about 16% of other language speakers.